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# Common Core Standard HSF-IF.C.7c Questions

Graph polynomial functions, identifying zeros when suitable factorizations are available, and showing end behavior.

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On $f(x)=2x^5+x^3-3x$
1. $(-0.65,1.4)$ is a relative and absolute maximum.
2. $(0.65,-1.4)$ is a relative and absolute minimum.
3. $(-0.65,1.4)$ is a relative maximum.
4. $(0.65,-1.4)$ is a relative minimum.
5. Both A and B.
6. Both C and D.
7. None of the above.
$f(x)=2x^5+x^3-3x$ is
1. increasing on $(-oo,oo)$.
2. decreasing on $(-oo,-0.65)cup(0.65,oo)$ and increasing on $(-0.65,0.65)$.
3. increasing on $(-oo,-0.65)cup(0.65,oo)$ and decreasing on $(-0.65,0.65)$.
4. decreasing on $(-oo,-1.4)cup(1.4,oo)$ and decreasing on $(1.4,-1.4)$.
Grade 12 Polynomials and Rational Expressions
$f(x)=2x^5+x^3-3x$ is                     .
1. even
2. odd
3. both even and odd
4. neither even nor odd
What are the roots of the equation $y=-4x^2+x-120$ ?
1. 30 , -30
2. 1 , -1
3. 120 , -120
4. No Real Roots
Determine the roots of the equation $y=6x^2+10x-24$.
1. $-3$ , $-4$
2. $-3$ , $4/3$
3. $3$ , $3/4$
4. $3/4$ , $4/3$
What are the roots of the equation $y=-x^2+120$?
1. $+-sqrt(120)$
2. $sqrt60$
3. $sqrt(120)$
4. $+-sqrt60$
Determine the roots of the equation $y=-x^2-8x+2$.