Question

Given the relation y = 3x ^2 + 1, if the input is 4, what is the output?

Answer 1

The answer is 49 i completed this test yesterday

Answer 2

Use the substitution method

y=3^2+1

3(4)^2+1

Do the bracket first

3(4)(4)+1

3(16)+1

Multiply again

48+1

=49

Answer: 49