Question

What is the value of the function f(x)=2x^2+3 when x=2

Answer 1

just replace the x in 2x^2 + 3 by 2 and work it out.

Answer 2

2* 2^2 + 3 = ?

Answer 3

NOte 2^2 = 2 8 2

Answer 4

* thats should be 2 * 2

Answer 5

work the first term out first then add the 3 to get the final answer