The average cost for printing x copies of a self-published paperback book with Company A is c(x)=120+4x/x. The average cost for printing x copies of a paperback book with Company B is d(x)=25+10x/2x. Find the following c(100)=$ and d(100)=$.

What expression is equivalent to 1/2(2+3x-6)

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i