Simplify.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Graph the function.y = cos 
x
A. 
B. 
C. 
D. 
Mathematics
Using the horizontal-line test, determine whether the function is one-to-one.-0.5x2 - 3x - 3
A. Yes B. No
Mathematics
Determine the discriminant and then use that value to determine the most efficient way of solving the quadratic equation. DO NOT SOLVE THE EQUATION.
- 
+ 
= 0
A. -116; no real solution B. 116; quadratic formula C. -108; no real solution D. -108; quadratic formula
Mathematics
Write a simplified expression for the following.y ? y ? y ? x ? x
A. 3y2x B. (3y)(2x) C. y3 + x2 D. y3x2
Mathematics