Determine the number by which both sides of the equation must be multiplied or divided, as specified, to obtain just x on the left side.-2x = -7; divided
A. - 
B. 2
C. -7
D. -2
Answer: D
Mathematics
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Solve.A population is growing at a rate proportional to its size. If the population is 139,000 initially and 191,000 after 9 years, how long will it take the population to double?
A. 18.3 years B. 19.6 years C. 21.0 years D. 21.4 years
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Use a commutative property to complete the statement.6 + x =
A. x + 6 B. x - 6 C. 6 - x D. -x - 6
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Find the point(s) where the slope of a tangent line to the given curve has the given value. y = 2x3 - 6x2 - 47x, mtan = 1
A. (0, 0), (-2, 54) B. (4, -156), (1, -51) C. (-4, -36), (-156, -102) D. (4, -156), (-2, 54)
Mathematics
Solve the equation.3(y + 3) = 4(y - 3)
A. {3} B. {-3} C. {21} D. {-21}
Mathematics