Question

write the first four terms of the sequence for n=1,2,3,and 4

f(n)=5n^2

Answer 1

Plug 1 in ; get first term
Plug 2 in ; get second term
Plug 3 in ; get third term

Answer 2

In case you need an example .... the eighth term would require that you replace the n in the function with an 8. So f(8) = 5(8)^2

You need to complete the exponent first. 8^2 is 64. Next you multiply by 5. 64 x 5 is 320. f(8) = 320. You can find the values of the first four terms by using the numbers 1, 2, 3, 4 in the function.