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Quiz1num1

# Quiz1num1 - f x = x 2 4(2 8 3 3 Use the formula f ′ x =...

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Math21a Quiz#1 Oct 23, 2007 Sec 5-6pm Print Your Name Sign Your Name You have 30 minutes. Each problem is worth 10 points. Showing as much work as possible will guarantee the most credit. Partial credit will be given 1

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1 . Find the limit lim x 4 4 x 5 x 2 + 9 2
2 . Find the slope of the function’s graph at the given point. Then ±nd an equation for the line tangent to the graph there.

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Unformatted text preview: f ( x ) = x 2 + 4; (2 , 8) 3 3 . Use the formula f ′ ( x ) = lim z → x f ( z ) − f ( x ) z − x to Fnd the derivative of the function f ( x ) = x x − 4 4 4 . Find δ > 0 such that for all x satisfying 0 < | x − x | < δ the inequality | f ( x ) − L | < ǫ holds, given f ( x ) = r (3 x + 4) , L = 5 , x = 7 , & ǫ = 1 5...
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Quiz1num1 - f x = x 2 4(2 8 3 3 Use the formula f ′ x =...

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