For the given functions f and g, find the requested composite function.f(x) = 
, g(x) = 8x + 3;
Find the function g ? f.
A. 8x + 21
B. x + 6
C. x - 
D. x
Answer: D
Mathematics
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Find the curvature of the space curve.r(t) = 12ti + 
j + 
k
A. ? = 
B. ? = 
C. ? = 
D. ? = 
Mathematics
Express the integrand as a sum of partial fractions and evaluate the integral.
A. 1.73 B. 3.46 C. 1.41 D. 0.87
Mathematics
Solve. Use ? = 3.14159 as needed.The blades of a fan have a radius of 15 in. and they turn one revolution every 0.075 sec. Calculate the linear speed of the tip of a blade. (Round to the nearest whole number, if necessary.)
A. 628 in./sec B. 800 in./sec C. 400 in./sec D. 1257 in./sec
Mathematics
Solve by graphing.
A. (14, 10) B. (7, 5) C. (5, 7) D. (10, 14)
Mathematics