proof (1+||x+y||) ≤ (1+||x||)(1+||y||) for all x,y element of R

Q: π is rational or irrational and how?

A: Given: we have to prove that π is rational or irrational irrational numbers: an irrational number is…

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Q: K variable. b. Keeping the restrictions in mind, solve the equation. 21 X 8x +3 a. What is/are the…

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Q: 2. A Water Heater A hot-water heater in the shape of a right circular cylinder has a radius of 50 cm…

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A: Topic = Function Correct option = B x=2.48

Q: Given the function f(x) = 5x +4, evaluate and simplify the expressions below. See special…

A: Given f( x ) = 5x + 4

Q: 12. HCIO + P₂O10 H₂PO₂ + Cl₂O,

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Q: The table shows the amount of money, A, in a savings account after m months. number of months dollar…

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Q: please see pic

A: Topic:- application of algebra

Q: What is 30% of 50?

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Q: To make 8 brownies, a recipe requires cup of sugar. The same recipe requires 2 cups of sugar to make…

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Q: Given the equation y = -5x +4 The x intercept is: The y intercept is:

A: Topic = Coordinate Geometry

Q: The admission fee at an amusement park is 1.5 dollars for children and 4 dollars for adults. On a…

A: NOTE: Refresh your page if you can't see any equations. . x=number of children (1.5 dollars for…

Q: If¹ + = 3 and x y x = 1, then x is equal to y What is the complete factor of x4 + 5x² - 36 Simplify:…

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Q: Find the distance between the two points shown below. Round your answer to 2 decimal places. 10…

A: From the graph A(-3,-2) and B(4,3).

Q: If f(x) is a linear function, f(-3) = −3, and f(3) = −2, find an equation for f(x). f(x) =

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Q: ) Find the rational zeros and then the other zeros; that is solve for f(x) = 0 and then factor f(x)…

A: The given function is; f(x)=2x3 +3x2 +18x+27

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A: Given query is to find function is a polynomial function or not.

Q: Simplify √9-√6 −8+ √6 by rationalizing the denominator.

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Q: Use the graph to determine the following. a. the function's domain b. the function's range c. the…

A: From the given graph we are required to finda. Domain of functionb. Range of functionc. x intercepts…

Q: Give a counterexample to show that (A+B)^-1 does not equal A^-1 + B^-1 in general.

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Q: Solve the problem using graphical approximation techniques on a graphing calculator How long does it…

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Q: roperty taxes on a house were $1860. What was the tax rate if the house was valued at $155,000?…

A: Given query is to find tax percentage.

Q: 2) Evaluate the limit, if it exists. x²-x-12 a) lim X--3 x+3 X x-0 √1+3x-1 b) lim c) lim(²) d) lim 2…

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Q: Simplify √9-√6 −8+ √6 by rationalizing the denominator.

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Q: Match each table with its equation. b e > O > 4 y=x x² с y = |x| < U || S || || 48|1 U || √I x³ a.…

A: For each of the given equation the input is x and output is y.

Q: #8 The average cost of college tuition increases from $8500 to $13,500 over a period of 8 years.…

A: Given query is to find inflation rate.

Q: 24. A is a 2 x 2 matrix with 25. A is a 4 x 2 matrix, A = [a, a2], and a2 is not a multiple of a₁.…

A: We have to describe the possible echelon forms of a  4 × 2  matrix such that second column is not a…

Q: log10 10,000,000 = ?

A: Given;  log10 10,000,000.

Q: a and 6 for which 4) Find the values of the system of Linear lavations x + 2y + ² = ₁3 x + ²√² +2²=…

A: We have to find the values of a and b for which the system of line equations…

Q: If g(t) = (√t 4) (√t + 1), then: g'(4) =

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Q: Let f(x) = 3(5)-2. Evaluate f(4) without using a calculator.

A: Given function is f(x)=3(5)x-2

Q: Knowledge Check Decrease in price: The next model of a sports car will cost 11.8% less than the…

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Q: If [a] = [1] in Z_n, prove that gcd(a, n) = 1. Show by example that the converse may be false.

A: The given data is: a=1 in Zn To prove gcd(a, n)=1

Q: Find the equation of the line that passes through the point (3, −7) whose graph is perpendicular to…

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Q: 3. The function is given by f(x) = 100 3. Select all equations whose graph me graph off for a…

A: Please see the below answer.

Q: Calculate the scalar products of the following vectors: 10 1 Q-B 5 W1 -4 9 (a) V₁ = (b) V2 = (c) V3…

A: Note: As per rule I need to solve only first three subparts.

Q: ajor city over period of 200 peak hours was observed, and the following data were obtained. Find the…

A: Given that , Number of Cars (x) Frequency of Occurrence 0&lt;x≤200 16 200&lt;x≤400 21…

Q: A baker sells 4 cookies for $3. The price for 10 cookies is $6. Select the words from the drop-down…

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Q: Part 1 Hugo is pumping regular gas into his truck. Write and solve an absolute value equation to…

A: Hugo is pumping regular gas into his truck.  Rate of regular gas: $2.50 per gallon To write and…

Q: For f(x) = 5x-2 and g(x)= 5 a. (fog)(x); b. (gof)(x); c. (fog)(4); d. (gof)(4) a. (fog)(x) =…

A: Given query is to find the Indicated composit function.

Q: 1. For each pattern, give the next four entries and any particular entry requested, as suggested by…

A: Since the student has posted many sub-parts of the question and does not mention any specific part,…

Q: Find the value h(-4), where his defined below. h(t) = 7t-5

A: given  h(t)=7t-5 for h(-4) put t=-4 in h(t)

Q: -4 Simplify by rationalizing the denominator. 6-3√7 Show your work in the sketch box. Write your…

A: To rationalize the given expression.

Q: -3 ----- = -6 9. V₁ = = 2 [ 5 h

A: INTRODUCTION A spanning set is a collection of vectors which, when combined, span a set of all…

Q: esther is doing some online shopping. she has to spend a minimum of $125 to get free shipping. if…

A: We have given  Cost of a sticker = $5 Cost of a water bottle = $30 Let, number of stickers ordered =…

Q: The plot below represents the function f(x) -5 -4 -3 -2 4 3- 2 34 + Evaluate f(3) 1 Lon

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