Answer:
20% decrease.
Step-by-step explanation:
difference over original
50.97-40.78= 10.19
diff/orig=sales tax
10.19 / 50.97= 19.99..
19.99 is approximately 20.
The correct answer is D
my teacher told me yesterday only. Don't worry. mark as brainlieat
Answer:
<h3>
(f o g) (x) = 2x² - 13</h3>
Step-by-step explanation:
f(x) =2x+1 and g(x)=x²-7
(f o g) (x) = f [g(x)] = 2[g(x)] + 1 = 2(x²-7) + 1 = 2x² - 14 + 1 = 2x² - 13