For the given functions f and g, find the requested composite function value.f(x) = 7x + 9, g(x) = -1/x;
Find (g ? f)(3).
A. - 10
B. - 
C. 
D. 
Answer: B
Mathematics
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Find the domain and range.y = 5x8
A. Domain: All real numbers; range: y ? 0 B. Domain: All real numbers; range: y ? 5 C. Domain: All real numbers; range: All real numbers D. Domain: x ? 0; range: y ? -5
Mathematics
Evaluate. The differential is exact.
A. 1 B. 8 C. 7 D. 5
Mathematics
Find the value of the expression.
A. 22 B. -22 C. 12 D. -12
Mathematics
Find the area of the geometric figure.
A. 39 sq m B. 16.5 sq m C. 19.5 sq m D. 24 sq m
Mathematics