Choose the correct proportions.

15, 4, 12, 5

a) 4:5 = 12:15
b) 4:5 = 15:12
c) 5:4 = 12:15
d) 5:4 = 15:12

Taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)=2x+1 g(x)=2x^2+1