Answer:
y= 2x² + 2x +3
Step-by-step explanation:
y=f(x)
y=2( x^2 + 1^2 +2(x)(1) ) + 3
y=2x^2 + 1 + 2x +3
y= 2x^2 + 2x +3
Negative numbers don’t have real square roots since a square is either positive or 0
Answer:
Step-by-step explanation:
Decrease = 58- 19 = 39
Percentage of decrease = (39/58)*100 = 67.24 = 67.2%