Find the indicated rate.A person ran 1092 meters in 3.25 minutes. What was her rate in meters per minute?
A.
| 336 meters/min |
B. 1092 meters/min
C. 3449 meters/min
D. 346 meters/min
Answer: A
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Solve the inequality. Write the solution set in interval notation and graph it.-4t - 2 ? -5t - 10
A. (-?, -8]
B. (-4, ?)
C. [-8, ?)
D. (-?, -4)
Estimate the sum or difference by first rounding each value to the indicated place value. Then find the actual sum or difference.721.15 - 52.6
round each to the nearest ten
A. Estimate:670; Actual: 669.55 B. Estimate: 680; Actual: 678.55 C. Estimate: 680; Actual: 668.55 D. Estimate: 670; Actual: 668.55
Solve the problem.A company's profit amounted to 20% of its sales. If the profits were $2 million, then what was the total of the company's sales?
A. $12 million B. $8 million C. $10 million D. $11 million
Find all critical numbers for the function. State whether it leads to a local maximum, a local minimum, or neither.f(x) = x - 
A. Local maximum at -7; local minimum at 7
B. Local maximum at -
; local minimum at 
C. Local maximum at 
; local minimum at -
D. No critical numbers; no local extrema