Difference Quotient - Calculus - Exercise, Exercises of Calculus

This file contains some problems related calculus. Some hints to the given problems are: Difference Quotient, Average Rate, Simplify, Given Function, Precalculus, Answer Key, Testname

Typology: Exercises

2011/2012

Uploaded on 12/31/2012

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Difference Quotient
Forthefunction,findtheaveragerateofchangeofffrom1tox:
f(x)-f(1)
x-1,x1
1) f(x)=9x
A) 8 B) 9 C) 9
x-1D) 0
2) f(x)=x2-2x
A) 1 B) x -1C)
x2-2x-1
x-1D) x +1
3) f(x)=5
x+4
A) 5
(x-1)(x+4) B) -1
x+4C) 5
x(x+4) D) 1
x+4
4) f(x)=x+15
A) x+15-4
x+1B) x+15+4
x-1C) x+15-4
x-1D) x+15+4
x+1
Findandsimplifythedifferencequotientf(x+h)-f(x)
h,h0forthegivenfunction.
5) f(x)=9x-2
A) 0 B) 9+18(x-2)
hC) 9+-4
hD) 9
6) f(x)=4x2
A) 4(2x+h) B) 8
h+x+4h C) 4 D) 4(2x2+2xh+h2)
h
7) f(x)=3
A) 3 B) 0 C) 1 D) 1+6
h
8) f(x)=1
2x
A) -1
x(x+h) B) -1
2x(x+h) C) 1
2x D) 0
pf3

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Difference Quotient

For the function, find the average rate of change of f from 1 to x: f(x) - f(1) x - 1

, x ≠ 1

  1. f(x) = 9x A) 8 B) 9 C) (^) x 9 - 1 D) 0

  2. f(x) = x2^ - 2x

A) 1 B) x - 1 C) x

(^) - 2x - 1 x - 1

D) x + 1

  1. f(x) = 5 x + 4

A) 5 (x - 1)(x + 4)

B) - 1

x + 4

C) 5

x(x + 4)

D) 1

x + 4

  1. f(x) = x + 15

A) x^ +^15 -^4 x + 1

B) x^ +^15 +^4 x - 1

C) x^ +^15 -^4 x - 1

D) x^ +^15 +^4 x + 1

Find and simplify the difference quotient f(x^ +^ h)^ -^ f(x) h

, h≠ 0 for the given function.

  1. f(x) = 9x - 2 A) 0 B) 9 + 18(x^ -^ 2) h

C) 9 + -^4

h

D) 9

  1. f(x) = 4x

A) 4(2x+h) B)^8 h

  • x + 4h C) 4 D) 4(2x

(^) + 2xh + h2) h

  1. f(x) = 3 A) 3 B) 0 C) 1 D) 1 + 6 h

  2. f(x) = 1 2x

A) (^) x (x- 1 + h) B) (^) 2x (x-^1 + h) C) (^) 2x^1 D) 0

PreCalculus

  1. f(x) = x2^ + 9x - 7

A) 2x

(^) + 2x + 2xh + h2 (^) + h - 14 h

B) 2x + h + 9

C) 1 D) 2x + h - 7

Calin M. Agut - 2012