Find the product.(3x + 7y)(3x - 3y + 1)
A. 9x2 - 9xy + 3x - 21y2
B. 9x2 + 21xy + 3x - 21y2 + 7y
C. 9x2 + 12xy + 12y2
D. 9x2 + 12xy + 3x - 21y2 + 7y
Answer: D
Mathematics
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Specify the range for the relation.{(3, 2), (5, 7), (13, 10), (16, 19)}
A. R = {3, 5, 13, 16} B. R = {2, 19} C. R = {2, 7, 10, 19} D. R = {3, 5, 13, 16, 2, 7, 10, 19} E. R = {3, 16}
Mathematics
Find the derivative.y = - 6x6
A. - 36x6 B. - 6x5 C. - 36x7 D. - 36x5
Mathematics
For the pair of functions, find the indicated sum, difference, product, or quotient.Find (f ? g)(4) when f(x) = x - 1 and g(x) = -5x2 + 18x + 3.
A. -15 B. -25 C. -385 D. 273
Mathematics
Rewrite the problem as a multiplication problem.70 ÷ 7 = x
A. 70 ÷ x = 7 B. 70 = x ? 7 C. 70 ? 7 = x D. 10 ? 7 = x
Mathematics