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# Common Core Standard HSF-IF.A.2 Questions

Use function notation, evaluate functions for inputs in their domains, and interpret statements that use function notation in terms of a context.

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$g(t)=7t+3$
Find $g(4t)$
1. $28t +3$
2. $28t^2+3$
3. $28t +12t$
4. $28t^2+12t$
If $f(x) = x^2-x+20$ then $f(b+1) =$
1. $b^2+18$
2. $b^2+b+20$
3. $b^2+3b+20$
$f(8)=15-x$
1. $f(8)=15$
2. $f(8)=0$
3. $f(8)=7$
4. $f(8)=8$
$f(x-4)=2x-8$
1. $f(x-4)=0$
2. $f(x-4)=2x-16$
3. $f(x-4)=2x$
4. $f(x-4)=1/4$
$f(24)=1/2x+7$
1. $f(24)=2$
2. $f(24)=-34$
3. $f(24)=34$
4. $f(24)=19$
$f(3x^2+4x-5)=2x+2$
1. $f(3x^2+4x-5)=3x^2+6x-3$
2. $f(3x^2+4x-5)=6x^3+8x^2-10x-3$
3. $f(3x^2+4x-5)=6x^2+8x-10$
4. $f(3x^2+4x-5)=6x^2+8x-8$
$f(2x)=28+4x$
1. $f(2x)=4$
2. $f(2x)=7$
3. $f(2x)=28$
4. $f(2x)=8x+28$
$f(4+3x)=3x-8$
1. $f(4+3x)=9x^2+12x-8$
2. $f(4+3x)=9x^2-12x-32$
3. $f(4+3x)=-4$
4. $f(4+3x)=9x+4$
$f(g(x-2))=x^2+4$
1. $f(g(x-2))=x^2-4x+8$
2. $f(g(x-2))=x^2+x+2$
3. $f(g(x-2))=x+2$
4. $f(g(x-2))=x^2-4x+4$
$f(6)=4x^2-5x+13$
1. $f(6)=4/5$
2. $f(6)=0$
3. $f(6)=127$
4. $f(6)=7$
$f(1)=13x-16$
1. $f(1)=-3$
2. $f(1)=17/13$
3. $f(1)=16/13$
4. $f(1)=3$
$f(3)=3x+5$
1. $f(3)=8$
2. $f(3)=14$
3. $f(3)=3$
4. $f(3)=-2/3$