
Combining Functions f of g of x
Authored by Anthony Clark
Mathematics
11th Grade
CCSS covered
Used 2+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
It represents the composition of the functions f and g, evaluated at x
It represents the multiplication of the functions f and g, evaluated at x
It represents the division of the functions f and g, evaluated at x
It represents the subtraction of the functions f and g, evaluated at x
Tags
CCSS.HSF-BF.A.1C
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given f(x)= x2 + 25 and g(x)= x - 5, find (f+g)(x).
x2 + x - 20
x2 + x + 20
-x2 + x - 20
x2 - x - 20
Tags
CCSS.HSF-BF.A.1B
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given f(x) = x2 + 25 and g(x) = -x
find (fg)(x).
x2 - 25x
-x3 + 25x
x3 + 25x
-x3 - 25x
Tags
CCSS.HSF-BF.A.1C
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given f(x)=x + 2 and g(x) = x - 5, find (fg)(x)
x2 + 7x -10
x2 - 3x +10
x2 - 3x -10
x2 - 7x -10
Tags
CCSS.HSF-BF.A.1B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given f(x) = x2 + 25 annd g(x) = - x, state the domain of (fg)(x)
(-∞ , 0]
[0 , ∞)
(-∞ , ∞)
(-∞ , 0) ∪ (0 , ∞)
Tags
CCSS.HSF-BF.A.1B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given the graphs of H and K, describe the domain of H + K.
All real numbers
[-4 , -3) ∪ (-3, 3) ∪ (3, 3.5]
[-3, 3]
[-4, 2.5]
Tags
CCSS.HSF-BF.A.1B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given the graphs of F and G, describe the domain of G/F.
All real numbers
[-3 , -3) ∪ (-3 , 2) ∪ (2, 3]
[-3 , 0) ∪ (0 , 3]
[-4 , -3) ∪ (-3 , 0) ∪ (0, 2) ∪ (2, 2.5]
Tags
CCSS.HSF-BF.A.1B
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