An expression that occurs in calculus is given. Factor completely.(2x + 1)2 + 3(2x + 1) - 4
A. 2x - 1
B. 2x(2x + 5)
C. 2x - 6
D. 2x(2x + 1)
Answer: B
Mathematics
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Graph the expression on each side of the equals symbol to determine whether the equation might be an identity.(csc ? + cot ?)(1 - cos ?) = sin ?
A. Not an Identity B. Identity
Mathematics
Factor the perfect square.b2 - 32b + 256
A. (b + 16)2 B. (b + 16)(b - 16) C. (b - 16)2 D. Prime
Mathematics
Translate the phrase to an algebraic expression. Use x to represent "a number."The product of -4 and a number
A. -4 ÷ x or 
B. 4 ? x or 4x
C. -4 ? x or -4x
D. -4 + x
Mathematics
Verify the identity.
= tan 5x
What will be an ideal response?
Mathematics