Question

The function S(n) is defined below. Which of the following are equal to S(10)? Check all that apply.

S(n) = 5n - 3

A. S(9) + 5
B. 53
C. 47
D. S(7) + S(3)

Answer 1

s(n)=5n-3
s(10)= 5(10) -3

Answer 2

wierd usually, S stands for a sum...

Answer 3

it would be C (47)

Answer 4

Hi tallan
Firstly, we are told: S(n) =5n-3
if n=10, then:
S(10) this means substitute 10 in the right hand side everywhere you see n i.e
S(10) = 5(10) -3
S(10) = 50 -3
S(10) = 47

Answer 5

Ok I understand that now.

Answer 6

cool!