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4 Quick algebra 1 question for 50 points!

Only answer if you know the answer, tysm!

Define the domain and range of each function: (in the pictures)

4 Quick algebra 1 question for 50 points! Only answer if you know the answer, tysm-example-1
4 Quick algebra 1 question for 50 points! Only answer if you know the answer, tysm-example-1
4 Quick algebra 1 question for 50 points! Only answer if you know the answer, tysm-example-2
User Sachelle
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2 Answers

9 votes
9 votes

#1

  • y=-2x

Domain

  • (-oo,oo)

Range

  • (-oo,oo)

#2

  • y=0.5x²+5

Domain

  • (-oo,oo)

Range

  • [5,oo)

#3

Its graphed

Domain=Range=(-oo,oo)

#4

Domain

  • (-oo,oo)

Range

[-3,-oo) or (-oo,-3]

User Markz
by
2.8k points
21 votes
21 votes

A)


f(x )= - 2x

Domain: ( - ∞ , ∞ ) or ] -∞ , ∞ [

Range: ( - ∞ , ∞ ) or ] -∞ , ∞ [

B)


g(x) = (1)/(2) x {}^(2) + 5

Domain: ( - ∞ , ∞ ) or ] -∞ , ∞ [

Range: [ 5 , ∞ [ or [ 5 , ∞ )

C)

Domain: ( - ∞ , ∞ ) or ] -∞ , ∞ [

Range: ( - ∞ , ∞ ) or ] -∞ , ∞ [

D)

Domain: ( - ∞ , ∞ ) or ] -∞ , ∞ [

Range: ( - ∞ , - 3 ] or ] - ∞ , - 3 ]

User Melena
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2.8k points