Evaluate the function as indicated.Find f(-r) when f(x) = 6 - 8x.
A. r - 8x
B. 6 + 8r
C. 6 - 8r
D. 6 + rx
Answer: B
Mathematics
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Perform the indicated operation. Write the answer without exponents.(3 × 104) × (7 × 102)
A. 2,100,000,000 B. 210,000,000 C. 2,100,000 D. 21,000,000
Mathematics
Use the discriminant to determine the number and type of solutions of the equation.x2 - 5x - 6 = 0
A. two complex but not real solutions B. two real solutions C. one real solution
Mathematics
Write the sum as a product. cos 4x + cos 5x
What will be an ideal response?
Mathematics
Write a linear inequality that describes the shaded region.
A. y ? -2x - 2 B. y ? 2x - 2 C. y ? -2x + 2 D. y ? 2x - 2
Mathematics