Answer:
Polynomial
Step-by-step explanation:
=> x³ - 4x² + 1 + 3x² + x
=> x³ - x² + x - 1
This is a polynomial expression, as, there are 4 terms in the equation, <em>v</em><em>iz</em><em>.</em><em>,</em><em> </em>x³, x², x and -1.
<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em>.</em>
(a)90 by 10%
90+10% of 90=90(1+0.1)=99
(b)60 by 25%
60(1+0.25)=75
(c)80 by 75%
80(1+0.75)=140
(e)110 by 60%
110(1+0.6)=176
(f)480 by 115%
480(1+1.15)=1032
(g)140 by 45%
140(1+0.45)=203
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