Evaluate the function at the given value of the independent variable and simplify.f(x) = 
;f(-2)
A. -4
B. 4
C. 2
D. not a real number
Answer: B
Mathematics
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Given y = f(u) and u = g(x), find dy/dx = f'(g(x))g'(x).y = 
, u = 3x - 7
A. - 
B. - 
C. 
D. - 
Mathematics
Find the first term and the common ratio of the geometric sequence.
, 
, 
, 
, 
, . . .
A. a1 = 4, r = 
B. a1 = 4, r = 6
C. a1 = 
, r = 4
D. a1 = 
, r = 
Mathematics
Solve the equation.ln 
= 2
A. 
B. {e4 + 2}
C. {e2 - 2}
D. {e4 - 2}
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. x4
C. x
D. x2
Mathematics