Determine the equation of the function that is graphed.
A. y = cos x - 3
B. y = cos (-3x)
C. y = -3 sin x
D. y = sin (-3x)
Answer: D
Mathematics
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÷ 1
A. 2
B. 1
C. 1
D. 1
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Find the solution to the system by addition (elimination) method.7x + 15y = 15 4x - 5y = -5
A. (0, 0) B. (1, 1) C. (0, 1) D. (1, 0)
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Solve the equation.3x - 5 - 7(x + 1) = -(2x - 7)
A. 
B. 
C. - 
D. - 
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Multiply. Write the answer in lowest terms.
? 
A. 
B. 
C. 
D. 
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