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Limits (An analytical approach)

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.

Polynomial function P(x)

lim⁡x→cP(x)=P(c)\lim_{x\rightarrow c}P\left(x\right)=P\left(c\right)

(check the appropriate box)

a)

Always

b)

Sometimes

c)

Never

2.

Polynomial function P(x)

Graph of P(x)

(check all that apply)

a)

line

b)

half parabola

c)

parabola

d)

parts of parabolas

e)

hyperbola

3.

lim⁡x → 9 (4 x4−37 x3+12 x2−32 x+38)=N\lim_{x\ \rightarrow\ 9}\ \left(4\ x^4-37\ x^3+12\ x^2-32\ x+38\right)=N  

Submit NN  

(a)  

4.

Polynomial function P(x)

Point [c,P(c)]\left[c,P\left(c\right)\right] lies on the graph of P(x)

ALGEBRA term: wordword point

Submit wordword (small letters)

(a)  

5.

lim⁡x → 1839 x+82 =N\lim_{x\ \rightarrow\ 18}\sqrt{39\ x+82}\ =N  

Submit NN  

(a)  

6.

A limit (if it exists) is a(n)

a)

x-value at a point

b)

y-value at a point

c)

point (x , y)

d)

indeterminable form

7.

L'Hopital's Rule can be utilized to evaluate the limit of a polynomial function as x approaches c.

a)

Always

b)

Sometimes

c)

Never

8.

Which limit(s) can be found by direct substitution?

(check all that apply)

a)

lim⁡x → 5(4 x+9)\lim_{x\ \rightarrow\ 5}\left(4\ x+9\right)

b)

lim⁡x → 12x 2−144x−12\lim_{x\ \rightarrow\ 12}\frac{x^{\ 2}-144}{x-12}

c)

lim⁡x →π 3cos⁡(x)\lim_{x\ \rightarrow\frac{\pi}{\ 3}}\cos\left(x\right)

d)

lim⁡x → 7x+18−5x−7\lim_{x\ \rightarrow\ 7}\frac{\sqrt{x+18}-5}{x-7}

9.

lim⁡x → 5 π4 [ cot⁡(x) sin⁡(x) ]=N\lim_{x\ \rightarrow\ \frac{5\ \pi}{4}}\ \left[\ \cot\left(x\right)\ \sin\left(x\right)\ \right]=N

a)

N=32N=\frac{\sqrt{3}}{2}  

b)

N=22N=\frac{\sqrt{2}}{2}  

c)

N=− 32N=-\ \frac{\sqrt{3}}{2}  

d)

N=− 22N=-\ \frac{\sqrt{2}}{2}  

10.

Polynomial function P(x)

Point [c,P(c)]\left[c,P\left(c\right)\right] lies on the graph of P(x)

CALCULUS term: point of wordword

Submit wordword (small letters)

(a)