Given the relation y = 3x2 + 1, if the input is 4, what is the output?
a: 13
b: 48
c: 49
d: 145
2 answers
y(4) = 3*4^2 + 1
y = 3(4)^2 + 1
= 3(16) + 1
= ....
= 3(16) + 1
= ....