State whether the function is linear or quadratic.f(x) = 4x
A. Linear
B. Quadratic
Answer: A
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Using the horizontal-line test, determine whether the function is one-to-one.f(x) = x3 - 5x + 2
A. Yes B. No
Solve the variation problem.The amount of simple interest earned on an investment over a fixed amount of time is jointly proportional to the principle invested and the interest rate. A principle investment of $3200.00 with an interest rate of 8% earned $1280.00 in simple interest. Find the amount of simple interest earned if the principle is $4600.00 and the interest rate is 6%.
A. $1840.00 B. $960.00 C. $1380.00 D. $138,000.00
Factor completely. If unfactorable, indicate that the polynomial is prime.z2 + 14z + 49
A. (z + 7)(z - 7) B. (z - 7)2 C. (z + 14)(z - 14) D. (z + 7)2
Find f-1(x).f(x) = 
A. f-1(x) = 
B. No inverse function exists.
C. f-1(x) = 
D. f-1(x) = 