Find the composition.f(x) = 
; g(x) = 4x2Find (g ? f)(x).
A. (g ? f)(x) = 16
B. (g ? f)(x) = 
C. (g ? f)(x) = 76
D. (g ? f)(x) = 762
Answer: C
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Solve the problem. Round to the nearest tenth of a percent unless otherwise noted. All 35 of the students in a mathematics class attended class on Monday. On Tuesday only 29 students attended. What was the percent decrease?
A. 82.9% B. 79.3% C. 17.1% D. 20.7%
Graph the line described.Through (0, 5); m = - 3
A. 
B. 
C. 
D. 
Find the work performed when the given force F is applied to an object, whose resulting motion is represented by the displacement vector d. Assume the force is in pounds and the displacement is measured in feet.
?
?
A. 517 ft-lb B. 516 ft-lb C. 0 ft-lb D. 514 ft-lb E. 513 ft-lb
Graph the function. Identify the vertex, x-intercepts, and the equation for the axis of symmetry.f(x) = (x - 1)2 - 9
A. 
vertex: (- 1, - 9)
x-intercepts: (-2, 0) and (4, 0)
axis of symmetry: x = - 1
B. 
vertex: (1, - 9)
x-intercepts: (-2, 0) and (4, 0)
axis of symmetry: x = 1
C. 
vertex: (- 1, - 9)
x-intercepts: (-4, 0) and (2, 0)
axis of symmetry: x = - 1
D. 
vertex: (1, - 9)
x-intercepts: (2, 0) and (4, 0)
axis of symmetry: x = 1