Provide an appropriate response.Find the sum of the series 
by expressing 
as a geometric series, differentiating both sides of the resulting equation with respect to x, and replacing x by 
.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the equation.
- 
= 
A. -7
B. 
C. -1
D. 1
Mathematics
Simplify.22 × 123 + (10 - 3) × 7
A. 6961 B. 625 C. 7003 D. 193
Mathematics
Evaluate the piecewise-defined function at the indicated value.f(x) = 
; f(6)
A. 5 B. -18 C. 36 D. 45
Mathematics
Give the name of the solid.
A. Triangular cylinder B. Triangular prism C. Oblique cone D. Triangular pyramid
Mathematics