Find the composition. If f(x) = 7x2 + 4x and g(x) = 3x, find (f ? g)(x)
A. 21x3 + 12x2
B. 7x2 + 7
C. 21x2 + 12x
D. 63x2 + 12x
Answer: D
Mathematics
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If the function is one-to-one, list the inverse function by switching coordinates or inputs and outputs.
A. 
B. 
C. 
D. not one-to-one
Mathematics
Factor by grouping.6 - 2y - 3p + yp
A. (3 + y)(2 - p) B. (3 - y)(2 - p) C. (3 - y)(2 + p) D. (3 + y)(2 + p)
Mathematics
Evaluate the expression.23 - (-5)2
A. 33 B. 16 C. -19 D. -17
Mathematics
Choose the function that might be used as a model for the data in the scatter plot.
A. Logistic, f(x) = 
B. Polynomial, not quadratic
C. Quadratic, f(x) = ax2 + bx + c
D. Exponential, f(x) = ab-x or f(x) = P0e-kx, k > 0
Mathematics