Solve the inequality.x2 - 7x + 10 ? 0
A. x ? 2 or x ? 5
B. 2 ? x ? 5
C. x ? 5
D. x ? 2
Answer: A
Mathematics
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Translate the verbal expression into an equation and solve for x.-45 is the product of 5 and what number?
A. -45 = 5x; x = -9 B. -45 = 5 + x; x = 50 C. -45 = 5 + x; x = -50 D. -45 = -9x; x = 5
Mathematics
Use sum-to-product identities to rewrite the expression as a product.cos 6x + cos 4x
A. 2 cos 5x sin x B. 2 cos 5x cos x C. 2 sin 5x sin x D. 2 cos 5x
Mathematics
Transform the following summation by making the change of variable j = k + 1 :
Mathematics
Select the ordered pair that is one of the vertices of the solution region for this system:
A. 
B. 
C. 
D. 
Mathematics