Sum & Difference of Functions

5 Activities

Wize High School Algebra II Textbook (Common Core) > Combination of Functions

Sum & Difference of Functions

5 Activities

Practice: Sum & Difference of Functions
If a(x)=2xx2−9a(x)=\dfrac{2x}{x^2-9}a(x)=x2−92x​ and b(x)=34x−5b(x)=\dfrac{3}{4x-5}b(x)=4x−53​, determine:

a(x)+b(x)

(Fully factored form_

B. The domain of

a(x)+b(x): x\neq{}

(smallest answer)

C. The domain of

a(x)+b(x): x\neq{}

(second smallest answer)

D. The domain of

a(x)+b(x): x\neq{}

(largest answer)

a(1)+b(-1)

a(4)+b(2)

I don't know

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Sum & Difference of Functions

Practice: Sum & Difference of Functions
Andrew is purchasing a plane ticket to Italy and he used the points that allow him $350\$350$350 off the total of the ticket. He also gets 12%12\%12% off the total of his baggage. 

Sum & Difference of Functions

Practice: Sum & Difference of Functions
Lilianna went shoe shopping at Aldo and used her $20\$20$20 off coupon. She then went to Urban Rack and used her 15%15\%15% coupon. 

Sum & Difference of Functions

Practice: Sum & Difference of Functions
If m(x)=116−x2m(x)=\dfrac{1}{16-x^2}m(x)=16−x21​ and n(x)=1x+4n(x)=\dfrac{1}{x+4}n(x)=x+41​, determine:

Sum & Difference of Functions

Practice: Sum & Difference of Functions
Let f(x)=7x+3f(x)=7\sqrt{x}+3f(x)=7x​+3 and g(x)=2x2+5g(x)=2x^2+5g(x)=2x2+5. Determine the following:

Sum & Difference of Functions

Practice: Sum & Difference of Functions
Let f(x)=4−x2f(x)=4-x^2f(x)=4−x2 and g(x)=6x2+x−3g(x)=6x^2+x-3g(x)=6x2+x−3. Determine the following:

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Sum & Difference of Functions

Practice: Sum & Difference of Functions
Andrew is purchasing a plane ticket to Italy and he used the points that allow him $350\$350$350 off the total of the ticket. He also gets 12%12\%12% off the total of his baggage. 

Sum & Difference of Functions

Practice: Sum & Difference of Functions
Lilianna went shoe shopping at Aldo and used her $20\$20$20 off coupon. She then went to Urban Rack and used her 15%15\%15% coupon. 

Sum & Difference of Functions

Practice: Sum & Difference of Functions
If m(x)=116−x2m(x)=\dfrac{1}{16-x^2}m(x)=16−x21​ and n(x)=1x+4n(x)=\dfrac{1}{x+4}n(x)=x+41​, determine:

Sum & Difference of Functions

Practice: Sum & Difference of Functions
Let f(x)=7x+3f(x)=7\sqrt{x}+3f(x)=7x​+3 and g(x)=2x2+5g(x)=2x^2+5g(x)=2x2+5. Determine the following:

Sum & Difference of Functions

Practice: Sum & Difference of Functions
Let f(x)=4−x2f(x)=4-x^2f(x)=4−x2 and g(x)=6x2+x−3g(x)=6x^2+x-3g(x)=6x2+x−3. Determine the following:

Sum & Difference of Functions

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Sum & Difference of Functions

Sum & Difference of Functions

Practice: Sum & Difference of Functions

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Sum & Difference of Functions

Sum & Difference of Functions

Sum & Difference of Functions

Sum & Difference of Functions

Sum & Difference of Functions

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Sum & Difference of Functions

Sum & Difference of Functions

Sum & Difference of Functions

Sum & Difference of Functions

Sum & Difference of Functions