Compute the average rate of change of f from x1 to x2. Round your answer to two decimal places whenappropriate. Interpret your result graphically.f(x) = 5x + 2, x1= -4 and x2= -1
A. 7; the slope of the line passing through (-4, f(-4)) and (-1, f(-1)) is 7.
B. 4; the slope of the line passing through (-4, f(-4)) and (-1, f(-1)) is 4.
C. 5; the slope of the line passing through (-4, f(-4)) and (-1, f(-1)) is 5.
D. 6; the slope of the line passing through (-4, f(-4)) and (-1, f(-1)) is 6.
Answer: C
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Express in scientific notation.0.000000446019
A. 4.46019 × 10-6 B. 4.46019 × 106 C. 4.46019 × 10-7 D. 4.46019 × 107
Use the tables below to solve the problem. Round dollar amounts to the nearest cent and percents to the nearest tenth.
To help pay for college, you worked part-time at a local restaurant, earning $30,000 in wages and tips.(a) Calculate your FICA taxes.(b) Use the tax table to calculate your income tax. Assume you are single with no dependents, have no adjustments or tax credit, and you take the standard deduction.(c) Including both FICA and income tax, what percentage of your gross income are your federal taxes?
A. (a) $2295.00 (b) $3968.75 (c) 20.9% B. (a) $435.00 (b) $2483.75 (c) 9.7% C. (a) $2295.00 (b) $2483.75 (c) 15.9% D. (a) $435.00 (b) $3968.75 (c) 14.7%
Graph the polar equation.r = 6 - cos ?
A. 
B. 
C. 
D. 
Solve the problem.Find the polar coordinates of the point(s) of intersection of the given curves for 
r1 = 4, r2 = 4 + sin ?
A. (0, 0), (0, 4), (?, 4) B. (0, 4), (?, 4) C. (0, 0), (4, 0), (4, ?) D. (4, 0), (4, ?)