Solve the direct variation.If y varies directly as z and y = 285 when z = 15, what is the value of y when z = 13?
A. 225
B. 169
C. 361
D. 247
Answer: D
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Find the domain and range of the inverse of the given function.f(x) = 
A. Domain and range: all real numbers B. Domain: all real numbers; range: [0, ?) C. Domain: [4.9, ?); range: [0, ?) D. Domain: all real numbers; range: [4.9, ?)
Write an equation in slope-intercept form of a line satisfying the set of conditions.m = 5, y-intercept (0, -4)
A. y = 5x - 4 B. y = 5x + 5 C. y = 5x + 4 D. y = -4x - 5
Convert the angle to degrees, minutes, and seconds.120.3°
A. 120°3' B. 120°9' C. 120°3'3'' D. 120°18'
Given the polynomial function f(x), find the rational zeros, then the other zeros (that is, solve the equation 
), and factor f(x) into linear factors.f(x) = 
x3 - 
x2 - 
x + 
A. 
, 
, 
; f(x) = 
B. 
, 
, 
; f(x) = 
C. 
, 
, 
; f(x) = 
D. 
, 
, 
; f(x) = 
