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coldgirl [10]
3 years ago
13

Can somebody help me out with this question?

Mathematics
1 answer:
Tresset [83]3 years ago
4 0

#a

  • -2<0

\\ \sf\longmapsto f(x)=x^2

\\ \sf\longmapsto f(-2)

\\ \sf\longmapsto (-2)^2

\\ \sf\longmapsto 4

#b

  • 0=0

\\ \sf\longmapsto f(x)=2

\\ \sf\longmapsto f(0)=2

#c

  • 2>0

\\ \sf\longmapsto f(x)=2x+1

\\ \sf\longmapsto f(2)

\\ \sf\longmapsto 2(2)+1

\\ \sf\longmapsto 4+1

\\ \sf\longmapsto 5

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