Find the x-intercepts and y-intercepts of the graph of the equation.2x + y = -10

A. x-intercept: -2; y-intercept: -4
B. x-intercept: -4; y-intercept: -2
C. x-intercept: -5; y-intercept: -10
D. x-intercept: -10; y-intercept: -5


Answer: C

Mathematics

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Solve.The average value of a certain type of automobile was $20,460 in 2006 and depreciated to $14,880 in 2011. Let y be the average value of the automobile in the year x, where x = 0 represents 2006. Write a linear equation that relates value y to year x.

A. y = -1116x + 9300
B. y = - x - 14880
C. y = -1116x + 14,880
D. y = -1116x + 20,460

Mathematics

Solve the problem.Cindy wants to secure sequins on a piece of felt shaped like a trapezoid with a height of  and bases of  and  What is the cost of all the sequins if sequins cost  per cm2 of coverage?

A. $29.70 B. $39.60 C. $108.90 D. $90.00

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Find the sum.5 + [20 + (-6)]

A. -21 B. 31 C. -9 D. 19

Mathematics

Determine whether (f ? g)(x) = x and whether (g ? f)(x) = x.f(x) = x2 + 2 , g(x) =  - 2

A. Yes, no B. Yes, yes C. No, no D. No, yes

Mathematics