Question

identify the polynomial
a.)
${x}^{2} + {x}^{ - 1} + 5$
b.)
${x}^{2} + 5 \sqrt{x} + 7$
c.)
$\frac{1}{ x^{3} } + 7$
d.)
$3 {x}^{2} + 7$
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Answer 1

Answer:

3x^2 + 7 is the polynomial