If f(x)=3x^2+2, find f(-3)

a.-25
b.20
c.41
d.29

Question

If f(x)=3x^2+2, find f(-3)

a.-25
b.20
c.41
d.29

anonymous · Answer

29

mathslover · Answer

ok see in these type of questions you have to put the value of x that is given as -3 here :

$$\huge{f(x)=3x^2+2}$$
$$\huge{f(-3)=3(-3)^2+2}$$ 
can u solve this further ?

mathslover · Answer

@Vladislav  U r requested to just post solutions also and let the user do his/her work by own . The asker just needs Hint not the whole solutions . I hope u got that

anonymous · Answer

Okey, raise the level of education)

anonymous · Answer

I know im sorry i just checked back here, ive been working on other problems and coming back

mathslover · Answer

Oh k no problem .. so can u understand the whole process now ?

anonymous · Answer

yes i do, i was doing it that was earlier but i kept getting 81 so i had to of been doing something wrong

mathslover · Answer

No problem just concentrate on what u do