Use the given graph to find the x-intercepts and zeros of the function.
A. (2, 0), (4, 0); 2, 4
B. (-4, 0), (2, 0); -4, 2
C. (-2, 0), (4, 0); -2, 4
D. (-2, 0), (-4, 0); -2, -4
Answer: A
Mathematics
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At what points is the given function continuous?f(x, y, z) = yz cos 
A. All (x, y, z) such that 0 ? 
? 2?
B. All (x, y, z) such that x ? 
C. All (x, y, z)
D. All (x, y, z) such that x ? 0
Mathematics
State the period of the function and graph.cos 
+ 2
A. Period 2?
B. Period 2?
C. Period 2?
D. Period 2?
Mathematics
Use the quotient rule to simplify the expression. Write the expression with positive exponents. Assume that all variables represent nonzero real numbers.
A. 44
B. 
C. 
D. 415
Mathematics
Solve the equation.y2 = 1
A. -1, 1 B. 1 C. 0, -1 D. -1
Mathematics