Solve the problem.In one state, speeding fines are determined by the formula 
where F is the cost, in dollars, of the fine if a person is caught driving x miles per hour. If the fine comes to $220, how fast was the person driving?
A. 84 mph
B. 92 mph
C. 80 mph
D. 82 mph
Answer: D
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?If a = 27, what is a4? ?
A. ?108 B. 531,441 C. ?19,683 D. ?312 E. ?b only F. ?b and d
Solve. Then graph. Write the solution set using both set-builder notation and interval notation.a + 3 < -8 
A. {a
a ? -11}, (-?, -11]
B. {a
a ? -11}, [-11, ?)
C. {a
a > -11}, (-11, ?)
D. {a
a < -11}, (-?, -11)
Provide an appropriate response.Which of the following decimal numbers is an irrational number? Explain your answer.
A. 0.
is irrational because it is a repeating decimal.
B. 1.73205080757... is irrational because it neither terminates nor repeats.
C. 0.0089372432 is irrational because it extends past the millionths place.
D. 1.1
is irrational because it does not terminate.
Solve.A coil of wire rotating in a magnetic field induces a voltage given by 
where t is time in seconds. Find the smallest positive time to produce a voltage of 10
.
A. 3.33? sec B. 3 sec C. 3.33 sec D. 3? sec