Use a calculator to find the value of y in degrees rounded to two decimal places.y = cos-1 (-0.1229)
A. 7.01°
B. 97.06°
C. -7.06°
D. 7.06°
Answer: B
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Provide an appropriate response.Oil consumption is increasing at a rate of 2.6% per year. By what factor will oil consumption increase in 
Use the approximate doubling time formula (rule of 70).
A. 2.68 B. 1.08 C. 15.6 D. 1.01
Solve the problem.When a coin is dropped from a cliff of height 1706 feet, the height h of the coin from the ground (in feet) t seconds after being dropped is given by h = -16t2 + 1706. How high is the coin above the ground 7 seconds after being dropped?
A. 912 ft B. 922 ft C. 956 ft D. 936 ft
Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = (7x + 10)x
A. (7x + 10)x
B. ln (7x + 10) + 
C. (7x + 10)x
D. x ln (7x + 10)
Write a piecewise function for the given graph.
A. 
B. 
C. 
D. 
