Please help ASAP! The cost function for producing x parts at a company is C(x) = 500 + 54√x dollars. Find the marginal cost when 9 parts are produced.

41/2 - 1 1/3 what is the answer as a fraction?

What is the point-slope form of theequation for the line with a slope of-2 that passes through (1, 4)? a y + 1 = -2(x + 4)b y-1=-2(x-4)c y + 4 = -2(x + 1)d y - 4 = -2(x - 1)

Find the solution set of this inequality. enter your answer in interval notation using grouping symbols. |8x-4| ≤ 12