Exercise: Formulas, Functions, and Sequences
Discrete Quantitative Questions
For this question, write your answer in the box.- If all the edges of a cube are doubled, the new volume of the cube will be
how many times the original volume? (Volume of a cube = e^3 ) - A student’s efficiency, E, is measured by the following formula: E =^3 dt 23 ,
where t = hours spent studying and d = hours spent browsing the Internet.
Yesterday, Gerald and Harry spent the same amount of time studying, but
Gerald spent twice as much time browsing the Internet. Yesterday, Harry’s
efficiency was how many times greater than Gerald’s efficiency?
A 2
B 3
C 4
D 7
E 8
For this question, write your answer in the box.- For all numbers, a and b, if the operation is defined by a b = 3a + 2b,
then 5 * 3 = - For all numbers x where x ≠ 0, if f(x) is defined by f(x) =^1 x and g(x) is
defined by g(x) = 1 +^1 x , then f(g(2)) =
A (^13)
B (^12)
C 1
D 2
E 3
296 PART 4 ■ MATH REVIEW
03-GRE-Test-2018_173-312.indd 296 12/05/17 11:56 am