Is the following correspondence a function??
A. Yes
B. No
Answer: A
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Find the equation of the axis of symmetry.f(x) = x2 - 12x - 7
A. x = -6 B. x = 6 C. x = -12 D. x = -43
Perform the indicated operation. Write the answer in scientific notation.(5.1 × 104) × (3.9 x 103)
A. 2.0 × 10-8 B. 1.989 × 108 C. 1.989 × 1012 D. 1.989 × 104
Use the compound interest formula to compute the total amount accumulated.$2000 for 6 years at 1.5% compounded monthly
A. $2188.23 B. $2015.05 C. $1750.58 D. $4054.57
Solve the problem.A firm making microwave ovens finds that the total cost, C(x), of producing x units is given by C(x) = 80x + 520.The revenue, R(x), from selling x units is determined by the price per unit times the number of units sold, thus R(x) = 90x.Find and interpret (R - C)(44).
A. $80 profit, income exceeds cost B. -$80 loss, cost exceeds income C. $8000 profit, income exceeds cost D. $96 profit, income exceeds cost