Determine whether the relation defines y as a function of x. Give the domain.y = 
A. Function; domain: (-?, ?)
B. Function; domain (-?, 6) ? (6, ?)
C. Not a function; domain (-?, 11) ? (11, ?)
D. Not a function; domain: (-?, ?)
Answer: A
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Solve the problem. Round to the nearest cent.Suppose your credit card has a balance of $2300 and an annual interest rate of 17%. You decide to pay off the balance over three years. If there are no further purchases charged to the card,a. How much must you pay each month?b. How much total interest will you pay?Round your answers to the nearest dollar.
A. a. $82.00 b. $652.00 B. a. $59.44 b. $160.16 C. a. $59.44 b. $553.12 D. a. $82.00 b. $1636.00
Solve the problem.A force of 1300 lb compresses a spring from its natural length of 15 in. to a length of 14 in. How much work is done in compressing it from 14 in. to 7 in.?
A. 41,000 lb?in. B. 0.024 lb?in. C. 82,000 lb?in. D. 32,000 lb?in.
Find the quadratic function y = f(x) that has the given vertex and whose graph passes through the given point.vertex: (1, 1) passing through: (0, 3)
A. y = 2x2 - 4x + 3 B. y = -4x + 3 C. y = 2x2 - 1x + 1 D. y = -2x2 - 4x + 1
In a right triangle, find the length of the side not given. Let c represent the length of the hypotenuse. Give an answer to the nearest tenth if necessary.a = 6 in., b = 8 in.
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