Exercises 71-98: Sketch a graph of f. 72. f (x) = –2x²

Q: Solve each equation for 0 s 0 < 2r. 4) 0 =-sin? 0 +2- 2cos 0 A) 4 7n 3n 11T C) 6' 2'6 B) {(} JT D) 2...

A: Given query is to find the solution of the expression.

Q: Prove that S = {(x, y, z) E R³: 2x + 3y+z = 0} is a subspace of the vector space R3.

A: Explanation of the answer is as follows

Q: For each table, determine whether it shows a direct variation. If it does, write its direct variatio...

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Q: Write the system of linear equations in the form Ax = b and solve this matrix equation for x. 2x2. +...

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Q: Which of the following subsets of M, form subspaces? 3X2 Select one The set af all matries of the fo...

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Q: The ratio of the two sides of two similar parallelograms is 2:9. The perimeter of the larger paralle...

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Q: Solve the following:   (ii) x^2 – 6x ≥13

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Q: Dimension of matrix which consists of m rows and n columns is written as mxn m-n m+n m/n

A: m×n  is the dimension. 

Q: Evaluate the determinant to determine whether the equation is true or false. |1 x x2 1 y y = (y - x)...

A: In this question we have to evaluate the determinant and the expression.

Q: Find the determinant of the elementary matrix. (Assume k + 0.) 1 0 0 O 6k 0 0 1

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Q: Write an equation in slope-intercept form for the line with slope -8 and y-intercept 8.

A: The line with slope -8 and y-intercept 8.

Q: The function f(x) = -(x + 3)² - 4 has a vertex of (-3, -4). O True O False

A: WE can find the answer is true or not as below.

Q: a11 a12 a13 T4 Let A = a21 a22 a23 be the matrix whose inverse is A-1 = -1 Find the value of x3 in t...

A: For unique solution, AX=B then X=A-1 B

Q: 5s Find the inverse Laplace transform of + 25 5s 3 +25)

A: Note that: L{cos(at)}=ss2+a2

Q: The perimeter of a rectangular concrete slab is 96 feet and its area is 551 square feet. What is the...

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Q: Bryan and Jadyn had barbeque potato chips and soda at a football party. Bryan ate 4 oz of chips and ...

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Q: 20. x2 = 5x

A: Topic = Equations

Q: it takes angela 2hrs longer to do a certain job than it takes cat. They worked together for 3hrs, th...

A: Let t = time required by cat to do the jobthen (t+2) = time required by angela to do the job

Q: The function f(x) = -X-3)2 - 4, will have a shift of 4 units to the left. O True O False

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Q: Find all values of k for which the given augmented matrix corresponds to a consistent linear syster ...

A: System is consistent if rank of [A:B]=rank of [A]

Q: 12 20

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Q: Find all minors and cofactors of the matrix. 23 4 1 (a) Find all minors of the matrix. M11 = M12 = M...

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Q: Answer with distributive property 4(3x+5)+5x-6

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Q: Solve the system using any method. Express numbers as integers or simplified fractions. 4(3x-y) =6-x...

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Q: The Bluestripe Snapper is an invasive species in the Hawaiian Islands. Their population grows expone...

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Q: 15 Mary is buying tickets for a movie. • Each adult ticket costs $9. • Each child ticket costs $5. •...

A: We use linear equations to solve the given problem.

Q: Ladders used by fruit pickers are typically tapered with a wide bottom for stability and a narrow to...

A: topic- arithmetic progression

Q: Find sin 4.x cos 8x dx.

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Q: In the figure, A, B and C are 3 points on the circumference of the circle such that AB BC and diamet...

A: ∠BAC=40° , AB⏜=BC⏜ and AD is diameter as shown in figure: We have to find (1) ∠CAD (2) ∠CED

Q: 1/2 3 -1 -3 -2 -1 -2 y = f(x) -3

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Q: Auto sales in a country increased from 15.2 million in 2014 to 16.2 million in 2015. Find the percen...

A: Auto sales in a country in 2014 is15.2 million Auto sales in a country in 2015 is 16.2 million Diffe...

Q: College classes: Math History 14 20 17 3 18 Science 7 13 How many students are taking math? How many...

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Q: 3x and -2

A: Follow the procedure given below.

Q: An air traffic controller is tracking two planes. To start, Plane A is at an altitude of 2070 feet a...

A: topic  -  basic math calculation 

Q: 5. Mrs. Menquito borrowed Php 250,000 at 5%. How much interest should she pay in one year.

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Q: a picture and surrounding border are fitted within a wooden frame as shown. The picture measures 8.5...

A: It is given that: The picture measures 8.5 inches by 11 inches. The base and height of the border an...

Q: Given the following polar function r = 8 + 18 sin(0) dy and expres it in terms of 0: dx (a) Find an ...

A: This question is related to derivatives.

Q: Solve the following |10 - 3x | ≤ 17  x^2 – 6x ≥13

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Q: Simone and Nang read a total of 23 books over the summer. Simone read 5 more books than Nang. Enter ...

A: simone and Nang read total 23 books  

Q: The perimeter of a rectangular window frame is 184 inches. Find the dimensions of the window frame i...

A: Given query is to find the dimensions of the window.

Q: During the exponential growth phase of Salmonella Enerica bacteria in a certain environment, the pop...

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Q: AMBER H Question 2 of 17, Step 1 of 1 3/29 Correct A bottle manufacturer has determined that the cos...

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Q: Use the given information to find A. 7 A-1 4 NOTE: Write the elements of the matrix exactly. ? ? A ?

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Q: 5 20 0 1 0 1 4 3 5 0 0 3 2 6 0 0 4 6 7 0 0 0 0 2]

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Q: Determine an equation for the pictured graph. Write your answer in factored form and assume the lead...

A: Given query is to find the equation of the graph.

Q: Solve each equation for 0 s 0 < 2t. 3) 5cos? 0 = 1- cos e + 3cos? e T 5T B) 3 3 A) T, C) 3 3n 7n D) ...

A: Given: 5cos2θ=1-cosθ+3cos2θ, 0≤θ&lt;2π

Q: You are an accountant for a manufacturer of radios. The demand function for the tablets is p= 40- 4x...

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Q: For Exercises 17 and 18, the students were asked to solve the given equation using the square root p...

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Q: Find the line's slope and a point on the line. 3. y+1=--(x-5) slope: Undefined point on the line: |D

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Q: Let f(x) = x2 − 1 and g(x) = 2x − 3. Find the value, if possible. (If not possible, enter IMPOSSIB...

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