Which trigonometric function (where defined) is equivalent to 
?
(F) 
(G) 
(H) sin x
(J) 
(K) 
Train A averages 16 miles per hour, and Train B averages 24 miles per hour. At these rates, how many more hours does it take Train A than Train B to go 1,152 miles?
（A）20 （B） 24 （C） 40 （D） 48 （E） 72
Correct Answer: B
For f(x,y) = 7x + 9y, what is the value of f(x,y) when 
and x = 3?
(A) 
(B) 
(C) 36
(D) 46
(E) 96
Correct Answer: D
In the following figure, the area of the large square is 81. What is the area of the shaded square?
(F) 45(G) 
(H) 
(J) 
(K) 
Correct Answer: F
More ACT Math Exam Questions
- 1If the least common multiple of 9, 10, 12, and vis 540, which of the following could be v?
- 2
A recent survey of book critics asked 30 critics how many stars out of a possible 5 they gave to a recent novel from a popular author. The 30 critics' responses are summarized by the histogram below.
The group that took the survey wants to show the data in a circle graph (pie chart). What should be the measure of the central angle of the portion for one-star reviews?
- 3
The percent P of a population that has completed 4 years of college is given by the function P(t) = -0.001t2 + 0.4t where t represents time, in years. What percent of the population have completed four years of college after 20 years, to the nearest tenth?
- 4
The expression x2 - 7x + 12 is equivalent to:
- 5If 35% of a given number is 14, then what is 20% of the given number?