Find the derivative of the function.y = 
A. 
= 48 + 
B. 
= 
+ 
C. 
= x - 
- 
D. 
= 
- 
Answer: B
Mathematics
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Find the perimeter.
A. 38 in. B. 19 in. C. 6 in. D. 32 in.
Mathematics
Change the word statement to an equation. Use x as the variable.
of a number plus 7 equals 9.
A. 
x = 7 + 9
B. 
(x + 7) = 9
C. 
x + 7 = 9
Mathematics
Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) = 4x, g(x) = 
A. No, no B. Yes, yes C. Yes, no D. No, yes
Mathematics
Find the length of the third side of the right triangle. Assume that c represents the length of the hypotenuse. Give an exact answer and, if appropriate, an approximation to three decimal places.a = 7, b = 24
A. c = 27 B. c = 625 C. c = 31 D. c = 25
Mathematics