Solve and simplify.
+ x = 
A. x = 
B. x = 
C. x = 
D. x = 
Answer: C
Mathematics
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Factor the special products, which are the sum or difference of two perfect cubes.343y3 - 512
A. (7y - 8)3 B. (7y - 8)(49y2 + 56y + 64) C. Prime D. (7y - 8)(49y2 + 64)
Mathematics
Use a graph in a [-2?, 2?, 
] by [-3, 3, 1] viewing rectangle to complete the identity.
= ?
A. 2 cos x - 1 B. sin x + 1 C. sin x D. cos x
Mathematics
Graph the equation.
?
?
A. 
B. ?
C. ?
D. ?
Mathematics
Provide an appropriate response.The equation x2 + 4 = 0 has no real solutions, so the graph of y = x2 + 4 has no 
.
A. axis B. y-intercept C. x-intercepts D. vertex
Mathematics