# Algebra 2

solve the equation -3 cos t = 1 in the interval from 0 to 2p?

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1. -3 cos t = 1
cos(t)=-(1/3)

Look at the plot of cos(t) between 0 and 2π, and note that there are two solutions between π/2 and 3π/2 where cos(t) is negative.

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2. 1. function g(x)=-x^2-3x+7 . Find the area under the curve for the domain –4£ x £ 1.
a 71.6 square units
b. 46 square units
c.35.83 square units
d.17.916square units

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3. ∫-x^2-3x+7dx between -4 and 1
to evaluate
[-x³/3-(3/2)x²+7x] between -4 and 1.

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