Find the inverse of the one-to-one function.f(x) = (x + 6)3
A. f-1(x) = 
- 6
B. f-1(x) = 
+ 6
C. f-1(x) = 
- 6
D. f-1(x) = 
- 216
Answer: C
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In a scale drawing, a 2 inch represents 40 feet. Which of the following is not true? ?
A. ?5 inches represents 100 feet. B. ??1 inches represents 20 feet. C. ??12 inches represents 240 feet. D. ?8 feet is represented by 5 inches. E. ?4 feet is represented by approximately 0.2 inch.
Solve the problem.A(x) = -0.015x3 + 1.05x gives the alcohol level in an average person's blood x hrs after drinking 8 oz of 100-proof whiskey. If the level exceeds 1.5 units, a person is legally drunk. Would a person be drunk after 5 hours?
A. No B. Yes
Round the number as indicated.87,035 to the nearest thousand
A. 88,000 B. 97,000 C. 87,100 D. 87,000
Solve the problem.A spinner has regions numbered 1 through 18. What is the probability that the spinner will stop on an even number or a multiple of 3?
A. 1
B. 
C. 
D. 15