ACT American College Testing: Math Section - ACT-Math 模擬練習
Let the function f be defined as f(x) = 5x 2 - 7(4x + 3).
What is the value of f(3)?
What is the value of f(3)?
正解: E
If q is decreased by p percent, then the value of q is now:
正解: D
A building built on a level field casts a shadow seven feet long and stands 35 feet tall. A nearby building casts a shadow 14 feet long.
How tall is the building?
How tall is the building?
正解: B
What two values are not in the domain of
?
?
正解: B
What is the value of the expression below?
正解: D
If y = - x 3 + 3 x - 3, what is the value of y when x = -3?
正解: B
If 3x - 1 = 11, what is the value of 3x + 1?
正解: A
Drag and drop
正解: B