Answer:
f(x) = x² - 81 = ( x+ 9)(x - 9) Difference of two squares
g(x) = x+9/x-9
g(x) . f(x) = x + 9/ x - 9 × (x+9)(x - 9)
= ( x + 9)(x +9)
= ( x + 9)²
= x² + 18x + 81
Hope this helps.
Answer:
standard form: 2g²+3g-9
quadratic trinomial
Step-by-step explanation:
standard form: 2g²+3g-9
quadratic trinomial
Answer:
Total cost = Cost per month × 12 months per year × Number of years
= $21 × 12 × 8
= $2,016
Step-by-step explanation:
