Solve the equation.log28 = x
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem using the elimination method.Best Rentals charges a daily fee plus a mileage fee for renting its cars. Barney was charged $99 for 3 days and 300 miles, while Mary was charged $174 for 5 days and 600 miles. What does Best Rental charge per day and per mile?
A. $24 per day and 9? per mile B. $9 per day and 24? per mile C. $23 per day and 10? per mile D. $25 per day and 10? per mile
Use a graph of the function to find the derivative of the function at the given point, if it exists.f(x) = 
at x = 3
A. 1 B. -1 C. Does not exist D. 0
Solve the problem.The concentration of a certain drug in the bloodstream t minutes after swallowing a pill containing the drug can be approximated using the equation 
where C(t) is the concentration in arbitrary units and t is in minutes. Find the rate of change of concentration with respect to time at t = 16 minutes.
A. - 
units/min
B. - 
units/min
C. - 
units/min
D. - 
units/min
Give the values of sin t and cos t, where t is the radian measure of the angle shown.
Enter your answer as a, b (unlabeled) where a represents sin t and b represents cos t.
What will be an ideal response?