Find the composite function for the given functions.f ? g for f(x) = 4x + 15 and g(x) = 2x - 1
A. 8x + 19
B. 8x + 11
C. 8x + 29
D. 8x + 14
Answer: B
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Find the slope of the curve for the given value of x.y = x3 - 3x2 + 4, x = 3
A. slope is 0 B. slope is -9 C. slope is 9 D. slope is 1
Find the constant of proportionality k, and write the linear function relating the two variables.Suppose that y varies inversely with x. When x = 7, then y = 4.
A. k = 28; y = 
B. k = 28; y = 
C. k = 
; y = 
x
D. k = 
; y = 
Use the graph to determine the function's domain and range. Write the domain and range in interval notation.
A. domain: (-?, ?) range: (-?, ?) B. domain: (-?, -2) or (-2, ?) range: (-?, -5) or (-5, ?) C. domain: (-?, ?) range: [-5, ?) D. domain: [-2, ?) range: [-5, ?)
Write the equation for the line in the standard form.Containing (-3, 5) and perpendicular to the graph of y = 7
A. y = -3 B. x = -3 C. y = 5 D. x = 5