Evaluate the expression using the given value of the variables.-8x-1y2 for x = 1, y = -2
A. - 2
B. - 
C. -32
D. - 32
Answer: D
Mathematics
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For the given functions f and g, find the requested function and state its domain. Write the domain in interval notation.f(x) = 16 - x2; g(x) = 4 - x;
Find f + g.
A. (f + g)(x) = 4 + x; (-?, -4) ? (-4, ?) B. (f + g)(x) = -x2 + x + 12; (-?, ?) C. (f + g)(x) = x3 - 4x2 - 16x + 64; (-?, ?) D. (f + g)(x) = -x2 - x + 20; (-?, ?)
Mathematics
Use an equation to solve the percent problem.10% of what number is 71?
A. 710 B. 71 C. 7.1 D. 7100
Mathematics
Given that the polynomial function has the given zero, find the other zeros.f(x) = x3 + 4x2 - 10x + 12; 1 + i
A. 1 - i, -6 B. 1 - i, 6 C. 1 - i, 6i D. -6, 6
Mathematics
Solve by elimination.-7x + 6y = -30-4x + 3y = -15
A. No solution B. (0, -5) C. (0, -4) D. (-1, -4)
Mathematics