Write the reciprocal of the number.
A. 15
B. -15
C. -1
D. 
Answer: A
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Use the given functions to find the requested function.f(x) = 3x - 7, g(x) = 8x - 4Find f - g.
A. 5x + 3 B. -5x - 3 C. 11x - 11 D. -5x - 11
A system of nonlinear equations is given. Sketch the graph of the equation of the system and then determine the number of real solutions to the system. Do not solve the system.x2 + y2 = 36x2 + y2 = 4
A. Two
B. Two
C. Zero
D. Two
Solve the problem.When a number is subtracted from -7, the absolute value of the difference is more than 3. Use interval notation to express the set of all numbers that satisfy this condition.
A. (-?, -10] ? [-4, ?) B. (-10, -4) C. (-?, -10) ? (-4, ?) D. (-?, -4) ? (10, ?)
Factor the polynomial completely. If the polynomial is prime, so state.x3 - 10x - 3x2
A. x(x + 5)(x - 2) B. x(x - 5)(x - 2) C. x(x + 5)(x + 2) D. x(x - 5)(x + 2)