Question

The curve of best fit is given as y = 4 + 3x + 2x2. Find the value of y when x = 2

Answer 1

Y= 14

X=2 so change the excision to

Y= 4+ 3•2 + 2•2

Do the math for any multiplication

Y= 4+6+4

Add those up And you get

Y= 14