Solve the problem.Mike filled his car's gas tank and noted that the odometer read 17,271.7. After the next filling, the odometer read 17,771.9. It took 20.5 gal to fill the tank. How many miles per gallon did the car get?
A. 24.4 mpg
B. 24.7 mpg
C. 25.4 mpg
D. 23.7 mpg
Answer: A
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Find the Taylor series generated by f at x = a.f(x) = 
, a = 4
A. 
B. 
C. 
D. 
Determine whether the function is a one-to-one function.y = (x + 5)2
A. Yes B. No
Find the limit by evaluating the derivative of a suitable function at an appropriate point. (Hint: Look at the definition of the derivative.)
?
?
A. - 2 B. - 1 C. 2 D. 1 E. 0
Solve the problem.The number of mobile phones sold in a given year is approximated by 
where x represents the number of years since mobile phones became readily available. The corresponding polynomial for phones is 
Find the polynomial that represents how many more mobile phones than phones were sold in a given year.
A. -4x4 + x3 + 5x2 - 9x + 11 B. 4x4 - x3 + 13x2 - 3x + 9 C. -4x4 - x3 - 2x + 10 D. -4x4 + x3 + 12x2 + 3x - 9