Solve the exponential equation.5x = 25
A. 2
B. 3
C. 5
D. 1
Answer: A
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Use the graph to estimate the specified limit.Find 
f(x) and 
f(x)
A. 
; 
B. 5; 2
C. 2; 5
D. ?; ?
Solve the problem.A poker hand consists of 5 cards dealt from an ordinary deck of 52 playing cards. How many different hands are there consisting of four hearts and one spade?
A. 13 B. 9295 C. 715 D. 728
Compare the right-hand and left-hand derivatives to determine whether or not the function is differentiable at the point whose coordinates are given.
y = 
y = -1
A. Since limx?-1+ f '(x) = 0 while limx?-1- f '(x) = 1, f(x) is not differentiable at 
B. Since limx?-1+ f '(x) = -1 while limx?-1- f '(x) = 0, f(x) is not differentiable at 
C. Since limx?-1+ f '(x) = 0 while limx?-1- f '(x) = -1, f(x) is not differentiable at 
D. Since limx?-1+ f '(x) = 0 while limx?-1- f '(x) = 0, f(x) is differentiable at 
Find parametric equations for the tangent line to the curve with the given parametric equations at the specified point.
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