Which of the following functions are injective? surjective? bijective?                       (i) f : ℝ-ℝ where f(x) = x2. (ii) f : ℝ-ℝ where f(x) = 1/x    (where x ≠ 0). (iii) f : ℝ-ℝ where f(x) = 3x + 1.

Q: Q2. For the structure below, the length of side a = 8 m , the length of side b = 14 m and angle 0 = ...

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Q: Reading a Graph The graph below shows Rebecca 's distance from home over a 25 minute time period. 20...

A: From the given graph we can see that - * Rebecca is 16 miles from home after 5 minutes.  

Q: Suppose that f is a linear function such that f(3) = 7. If the slope of f is 2.9, then what is f(6)?...

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Q: 1 and g(x) x +3 6. Given f(x) = find the domain of f(g(x)) using interval notation. 1 Domain:

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Q: Write a polynomial f (x) that meets the given conditions. Answers may vary. Degree 3 polynomial with...

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Q: 1. Which of the following vectors is not a linear combination of and 3 1) |3)| [:] [:] 2) '4) 5) all...

A: As per our guidelines we are allowed to do 1 question at a time. Please post other questions next ti...

Q: Working her way through school, Julie works two part-time jobs for a total of 37 hours a week. Job A...

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Q: Suppose that f is a linear function with slope -3.4 and that f(3) = 8. What value of x gives f(x) = ...

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Q: Ifa=8 and an = an-1+ 5 then find the value of af %3D

A: topic- sequence and series

Q: The value of the ? v is help (numbers) ? maximum Note: You can ear minimum this problem. Preview My ...

A: We will find the maximum or minimum value. 

Q: Function 1 Function 2 10y y -2 -1 -10 -6 -2 10 1 8. 2 11 6- Function 3 Function 4 y=-2x-1 The slope ...

A: Given: Four functions is given

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Q: • Diagonals of an Isosceles trapezoid are congr Given: Isosceles Trapezoid ROMA with diagonals RM an...

A: According to question,Given,Isosceles Trapezoid ROMA with diagonals RM¯ and AO¯.

Q: 35. What is the average of the following numbers: 18, 15, 17, 19 and 16? a. 18 36.1 am thinking of a...

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Q: The population of a city increased from 21,600 to 32,000 between 2007 and 2015. Find the change of p...

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Q: 8. f(x) =x' -2x -7x-4 A) -1 (multiplicity of 2), 4 C) -4, 1 (multiplicity of 2) B) -4, 2 (multiplici...

A: Since you have asked multiple question, we will solve the first question for you as per our guide li...

Q: A cylinder has a height of 19 centimeters and a radius of 18 centimeters. What is its volume? Use ​?...

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Q: Conclusion 2. Use the grap

A: If for every (x, y) on the graph we have (-x, y) is also on the graph then the graph is even. For (a...

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Q: For #6 & 7, find the domain of the logarithmic function. 6. f(x) = log(31 – x)

A: Here we will find the domain of given function,

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A: Purchasing amount of minivan=$47,000 License and registration cost=47000×1.2100=$564 Sales tax=47000...

Q: Convert the following to a logarithmic equation: e? = 5w

A: Given query is to convert the expression into logarithmic expression.

Q: 2x^2 -12+6=0

A: Here we can find the value of x

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Q: |3| Inverse Functions F2 suo The function f(x) = 12x is one-to-one. %3D a. Find an equation for f '(...

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Q: Evaluate the expression (a°b2 + c°)² when a = -2, b = 3, and c = -5. %3D O-81 81

A: Given expression is a3b-2+c02and a=-2, b=3 and c=-5

Q: Simplify the radical:

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Q: Problem 4 The area covered by a lake is 11 square kilometers. It is decreasing exponentially at a ra...

A: topic- exponential function

Q: 3x x is equal to 2. 2 2 O True False

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Q: In a pond, the area that is covered by algae doubles each week. When the algae was first spotted, th...

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Q: 11. Using the formula below: 1-(1+i)" P = present amount borrowed P PMT n =number of monthly pay per...

A: The given question can be solved as shown in step2.

Q: ind the time it takes for $6,300 to double when invested at an annual interest rate of 15%, compound...

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Q: Find all x E R that solve this equation: 123 = x · (2x · (3x – 3) – 2) + 100 + 20+3

A: 123=x2x3x-3-2+100+20+3

Q: 1.0 10 1.0 10 -10 (Click on graph to enlarge) f(z) =help (formulas)

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Q: Roulette. Turn to the roulette wheel illustrated on page 707 of the book. If the wheel is spun, dete...

A: topic- prabability

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Q: A certain quantity has a century decay factor of 0.4. What is its yearly decay factor? (Round your a...

A: Question- A certain quantity has a century decay factor of 0.4. What is its yearly decay factor? (Ro...

Q: Write the number 6 as a sum of three natural numbers in several different ways, and, in each sum, ci...

A: To be solved - Number 6 as a sum of three natural numbers in several different ways, and, in each su...

Q: On Z†, a * b = ab

A: if e is an identity element then it has to be satisfy a*e=e*a=a that is it has to be ae=ea=a which i...

Q: An nth degree polynomial p satisfies the following conditions: • p is of degree 3 • 3 is a root, wit...

A: polynomial p satisfies the following conditions:p is of degree 33 is a root, with multiplicity 2, of...

Q: 2. (p- q)^(q - r) In order to find the number of rows to create, use the formula 2", where n is the ...

A: Given:     p→q∧q→r We know that p→q is only false when both p is true and q is false. We know that q...

Q: Write the sum using sigma notation: -2 – 4 – 8 + ... – 128 Σ i=1

A: The given finite series is: -2-4-8+...-128

Q: Z(2+j) = 3- j ; What is the value of Z?    a. -j +1   b. 2-2j   c. 2j - 2   d. 1-j

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Q: 23 ft Radius = %3D Diameter= %3D

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Q: Problem (Spherical Segment): The volume V of a liquid in a spherical tank of radius R is related to ...

A: Given :V=πh2(3R-h)3V=1.2 m3R= 2m

Q: Write the quadratic function in the formf(x) = a (r-h)+k. Then, give the vertex of its graph. f(x) =...

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Q: In the year 1981, an investment was worth $27000. In the year 1986, this investment was worth $35500...

A: We have to find the rate of increasing or decreasing of the investment.