1. Use a graph to estimate the limit. Use radians unless degrees are indicated by θ°. (Round your answer to four decimal places.)

lim

θ → 0 θ/tan(7θ)

lim

θ → 0 θ/tan(7θ)

2. Assuming that limits as x → ∞ have the properties for limits as x → c, use algebraic manipulations to evaluate lim x → ∞ for the function.

f(x) = x − 8/8 + 5×2

3. Same thing as 2 but

f(x) = x4 + 4x/x4 + 3×5

4.Same thing again but

f(x) = 5e−x + 4/4e−x + 5

Please help thanks

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