Determine whether the function is a polynomial function, a rational function, a radical function, or an exponential function.f(x) = 5x + 2
A. Polynomial
B. Rational
C. Radical
D. Exponential
Answer: D
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Solve the problem. Round to the nearest tenth of a percent if necessary.Sales of frozen pizza for a club fund-raiser changed from 500 one year to 725 the next year. What was the percent change in pizza sales?
A. There was a 31% decrease in sales. B. There was a 45% increase in sales. C. There was a 69% decrease in sales. D. There was a 55% increase in sales.
Solve the system of equations by using the inverse of the coefficient matrix if it exists and by the echelon method if the inverse doesn't exist. 7x - 9y = 40 35x - 45y = 200
A. No inverse, 
B. (-7, -1)
C. No inverse, no solution for system
D. (7, 1)
Graph the function.y = 
tan x
A. 
B. 
C. 
D. 
Factor by grouping.8x2 + 6xt - 9t2
A. (4x + 3t)(2x - 3t) B. (4x - 3t)(2x + 3t) C. (8x - 3t)(x + 3t) D. Prime