For the given functions f and g, find the requested composite function value.f(x) = 
, g(x) = 19x - 10;
Find (f ? g)(4).
A. 82,104
B. 5006
C. 17,424
D. 77,098
Answer: A
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Solve the problem.The position (in centimeters) of an object oscillating up and down at the end of a spring is given by 
at time t (in seconds). The value of A is the amplitude of the motion, k is a measure of the stiffness of the spring, and m is the mass of the object. Find the object's acceleration at time t.
A. a = - A sin 
cm/sec2
B. a = 
cos 
cm/sec2
C. a = - A
sin 
cm/sec2
D. a = - 
sin 
cm/sec2
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 42 ? 45
A. 262,144 B. 16,777,216 C. 16,384 D. 1,048,576
Write as a percent. Round your answer to the nearest tenth, if necessary.
A. 191.7% B. 19.2% C. 120% D. 159.8%
Find the exact value of the indicated trigonometric function of the angle ? in the figure. Rationalize the denominator where necessary.Find sin ?.
A. 
B. 
C. 
D. 