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}
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Simplify the expression. Assume that all variables are positive when they appear.
A.
B. x4
C. x
D. x2
Mathematics