Model the curve with a sine function.
?
?
Note that the period of the curve is 
and its range is 
.
?
A. 
B. 
C. ?
D. 
E. 
Answer: C
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Subtract. Write a mixed numeral for the answer. 11
A. 13
B. 7
C. 14
D. 7
Solve the problem using the rule of 78s.Carlo has a 36-month fixed installment loan, with a monthly payment of $369.72. The amount he borrowed was $11,000. Instead of making his 30th payment, Carlo is paying the remaining balance on the loan. What is the total amount due to pay off the balance?
A. $2145.50 B. $2163.33 C. $1888.04 D. $2515.22
A cardiac monitor is used to measure the heart rate of a patient after surgery. It compiles the number of heartbeats after t minutes. When the data in the table are graphed, the slope of the tangent line represents the heart rate in beats per minute. The monitor estimates this value by calculating the slope of a secant line. Use the data to estimate the patient's heart rate after 42 minutes using the secant line between the points with t=38 and t=42.
Select the correct answer.
a. 74
b. 80
c. 85
d. 70
e. 76
f. 75
Solve the equation.(ex)x ? e8 = e6x
A. {2, 4} B. {-2, -4} C. {4} D. {2}