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A calculus i homework assignment from fall 2001. The assignment covers topics such as finding derivatives of various functions, estimating limits, determining continuity, finding equations of tangent lines, and using the definition of the derivative. Students are required to 'justify your answers!!'
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Name:
Student Number:
Calculus I, Fall 2001
Justify your answers!!
(1) Find the derivatives of the following functions:
(a) f (x) = x
3
x
(b) f (x) =
x^6 +x^2 x
(c) f (x) = (x + 1)^2
(d) f (x) = x^3 ex
(e) f (x) =
x^3 +
√ x ex
(f) f (x) =
(x+1)(x−1)
x^2 +
1
(2) Given the graph of the function y = f (x) below, estimate (or state DNE) :
(a) limx→− 2 f (x) =
(b) limx→− 1 f (x) =
(c) f
′ (−1)
(d) f ′(2)
(e) State where the function y = f (x) is NOT continuous.
(3) Find the equation of the tangent line to the graph of the function y = 3x^5 + 2x + 4
x
at x = 1.
(6) (a) Find the linear approximation of the function y = f (x) = ex^ at the point a = 0.
(b) Use this linear approximation to find an approximate solution to the equation
e
x = 100x.
(7) Given the graph of the function y = f (x) below, draw a reasonable graph of its
anti-derivative.