Identify the missing units for the given rate.If a student drove 160 miles in 4 hours, his average rate was 40 
.
A. hours per mile, or hours/mile
B. gallons per mile, or gallons/mile
C. miles per gallon, or miles/gallon
D. miles per hour, or miles/hour
Answer: D
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Match the graph to the function listed whose graph most resembles the one given.
A. absolute value function B. constant function C. linear function D. reciprocal function
Use synthetic division to find the quotient and the remainder.x4 + 16 is divided by x - 2
A. x3 + 2x2 + 4x + 8; remainder 16 B. x3 - 2x2 + 4x - 8; remainder 32 C. x3 + 2x2 + 4x + 8; remainder 0 D. x3 + 2x2 + 4x + 8; remainder 32
Solve. Write results using scientific notation.A computer can do one calculation in 1.3 x 10-7 seconds. How long would it take the computer to do a trillion (1012) calculations?
A. 1.3 x 106 sec B. 1.3 x 1012 sec C. 1.3 x 10-7 sec D. 1.3 x 105 sec
Use a graphing calculator to determine which expression completes the identity.The expression 
+ 
is to be the left hand side of an equation that is an identity. Which one of the following four expressions can be used as the right hand side of the equation to complete the identity?
A. 3 sec ? B. 1 - cos ? C. tan2 ? D. 2 sec2 ?