Simplify by combining like terms.9y + (-6y)
A. 3y2
B. -3y
C. -15y
D. 3y
Answer: D
Mathematics
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Write the statement in words and decide whether it is true or false.
? 
What will be an ideal response?
Mathematics
Without graphing the function, determine its amplitude or period as requested.y = 5 sin 2xFind the amplitude.
A. 
B. 5
C. 
D. 
Mathematics
Tell whether the expression is a polynomial. If it is, give its degree.
+ 1
A. Polynomial, degree 0 B. Polynomial, degree 9 C. Polynomial, degree -1 D. Not a Polynomial
Mathematics
Prove the identity.
= 
What will be an ideal response?
Mathematics