Pretest

Question 1

Where is the removable discontinuity of f of x is equal to the fraction with numerator x plus 5 and denominator x squared plus 3 x minus 10 located?

Revolt · Accepted Answer

D: x is equal to negative 5

Question 2

Which statement is true about the discontinuities of the function f of x ? f of x is equal to the fraction with numerator x minus 5 and denominator 3 x squared minus 17 x minus 28

Revolt · Accepted Answer

A: There are asymptotes at  x is equal to 7  and  x is equal to negative 4 thirds .

Question 3

The inverse variation equation shows the relationship between wavelength in meters, x , and frequency, y . y is equal to the fraction with numerator 3 times 10 to the 8th power and denominator x What are the wavelengths for X-rays with frequency 3 times 10 to the 18th power ?

Revolt · Accepted Answer

A: 1 times 10 to the negative 10 power  m

Question 4

For the inverse variation equation x y is equal to k , what is the constant of variation, k , when x is equal to negative 3 and y is equal to negative 2 ?

Revolt · Accepted Answer

C: 6

Question 5

What are the removable discontinuities of the following function? f of x is equal to the fraction with numerator x squared minus 36 and denominator x cubed minus 36 x

Revolt · Accepted Answer

B: x is equal to negative 6  and  x is equal to 6

Question 6

For the inverse variation equation x y is equal to k , what is the constant of variation, k , when x is equal to 7 and y is equal to 3 ?

Revolt · Accepted Answer

D: 21

Question 7

For the inverse variation equation p is equal to 8 over cap v , what is the value of cap v when p is equal to 1 half ?

Revolt · Accepted Answer

B: 16

Question 8

For the inverse variation equation p is equal to 8 over cap v , what is the value of cap v when p is equal to 4 ?

Revolt · Accepted Answer

A: 2

Question 9

Where are the asymptotes for the following function located? f of x is equal to the fraction with numerator 14 and denominator open paren x minus 5 close paren times open paren x plus 1 close paren

Revolt · Accepted Answer

D: x is equal to negative 1  and  x is equal to 5

Question 10

Where is the hole for the following function located? f of x is equal to the fraction with numerator x plus 3 and denominator open paren x minus 4 close paren times open paren x plus 3 close paren

Revolt · Accepted Answer

D: x is equal to negative 3

Pretest Answers

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