Evaluate the expression for the given value or values of the variables.7a - 3b; a = 6; b = 2
A. 48
B. 39
C. 40
D. 36
Answer: D
Mathematics
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Find the inverse of the function.f(x) = 
A. f-1(x) = x2 + 5, x ? 0
B. f-1(x) = (x - 5)2 , x ? 0
C. f-1(x) = 
D. f-1(x) = (x + 5)2 , x ? 0
Mathematics
Use l'H
pital's Rule to evaluate the limit.
(tanh x)x
A. 1 B. e2 C. ? D. 0
Mathematics
Determine whether the statement is true or false.sin 390° = sin 120° cos 270° + cos 120° sin 270°
A. True B. False
Mathematics
Solve the problem.Shown is the image of a figure under the two successive translations that take P to P' and then P' to P''. Find the original figure. Note again, the given figure is the image after translation. Hint: First find the final image of a point if it were translated by both translations. Then what happens in the reverse process?
A. 
B. 
C. 
D. 
Mathematics