For the given functions f and g , find the indicated composition.f(x) = 4x2 + 2x + 7,g(x) = 2x - 3(g?f)(x)
A. 4x2 + 4x + 11
B. 4x2 + 2x + 4
C. 8x2 + 4x + 11
D. 8x2 + 4x + 17
Answer: C
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Reduce 125/625 to its lowest form.
a. 12/50 b. 5/25 c. 1/5 d. 25/125 e. 126/625
Use the information given about the angle ? to find the exact value of the indicated trigonometric function.csc ? = -
, cos ? > 0Find cos 
.
A. 
B. -
C. -
D. 
Place your graphing calculator in parametric and degree modes. Set the window for Tmin=0, Tmax=360, Tstep=1, Xmin= -1.8, Xmax=1.8, Xscl=1, Ymin= -1.2, Ymax=1.2, Yscl=1. Set the functions to X1T=cos T, Y1T=sin T. Graph the circle of radius 1 on the screen. Use the trace feature to move a short distance around the circle.As the cosine increases for 0° ? T ? 90°, does the sine increase or decrease?
A. Cannot determine B. Increases C. Decreases
Simplify.7 ? 3 - 5
A. 14 B. 16 C. 26 D. 105