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**Unformatted text preview: **up (do NOT evaluate) the integral to find the area of the region bounded by
y=ex, y=x, x=0, and x=l A $' r \"\,
— .t1 , 9. Ske
lietr te unded by the graphs of y = x 2 and y = 2x +3.
he region (do NOT evaluate) the integral. 10. Sketch the region ffir the integral Jx - i. Then use geometry to find the 11. Find the cost function if the marginal cost is -,- - 3 dC
dx -=- = 90 — .4x and the fixed cost is C(0) = 8000. 1~
12. The amount of an annuity is given by eTJTc(t)edt. Find the amount of an annuity with income stream c(t)
term T = 10 years. = 2000, interest...

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