Find the second derivative of the function.y = 
A. 
= 1 + 
B. 
= 2 + 
C. 
= 2 - 
D. 
= 2x - 
Answer: B
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Find the value of (f ? g)' at the given value of x.f(u) = 
+ 18, u = g(x) = 
, x = 4
A. -26 B. 4 C. 16 D. 8
Solve the problem.Four bacteria are placed in a petri dish. The population will double every day. The formula for the number of bacteria in the dish on day t is N(t) = 4(2)twhere t is the number of days after the four bacteria are placed in the dish. How many bacteria are in the dish seven days after the four bacteria are placed in the dish?
A. 13 B. 512 C. 56 D. 196
Use the graph of a known basic function and a vertical stretch or a vertical compression to sketch the function.h(x) = 6
A. 
B. 
C. 
D. 
Find the first term and the common ratio for the geometric sequence. Round approximations to the nearest hundredth.a2 = -25.2, a5 = 69.15
A. a1 = 69.15, r = -0.71 B. a1 = 18, r = -1.4 C. a1 = 18, r = -0.71 D. a1 = -25.2, r = -1.4