Use dimensional analysis to solve the problem.A defendant in a collision case claims that he was traveling at 42 mi/hr (which happens to be under the speed limit) around a blind curve and did not have time to swerve to miss rear-ending the plaintiff, who had just pulled into the road. The investigating officer determines that any speed less than 60 ft/sec would have allowed time to brake or swerve to avoid the collision. How would you judge the defendant? Explain.
A. Guilty. The defendant was traveling about 62 ft/sec.
B. Not guilty. The defendant was traveling 51 ft/sec.
Answer: A
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Write the sentence as a two-variable equation containing parentheses. Describe your variables so y depends on x.
The total cost of an air-compressor rental is $47 for the first day plus $33 for each additional day. A) y = 47 for x = 1; y = 47 + (33 - 1)x for x > 1 B) y = 47 for x = 1; y = 47 + 33(x + 1) for x > 1 C) y = 47 for x = 1; y = 47 + 33(x - 1) for x > 1 D) y = 33 for x = 1; y = 33 + 47(x - 1) for x > 1 E) y = 47 for x = 1; y = 47 + 33x for x > 1
Evaluate the expression for the given replacement values. Write the answer in simplest form.x ÷ y for x = 
, y = 
A. 
B. 
C. 
D. 
Evaluate the expression.32 ÷ 3 ? 9 + 8
A. 216 B. 35 C. 3 D. 19
Use intercepts and a checkpoint to graph the linear function.2x - 10y = 10
A. (0, -5), (1, 0)
B. (0, 5), (-1, 0)
C. (0, -1), (-5, 0)
D. (0, -1), (5, 0)