Final answer:
The first term of the arithmetic sequence given by the function f(n) = 5 + 2(n-1) is 5. This is found by substituting n with 1.
Step-by-step explanation:
The student has asked to find the first term of the arithmetic sequence represented by the function f(n) = 5 + 2(n-1). To find the first term of an arithmetic sequence, we plug in 1 for n, since the first term corresponds to n=1. Plugging this into the function, we get:
f(1) = 5 + 2(1-1)
f(1) = 5 + 2(0)
f(1) = 5 + 0
f(1) = 5
Therefore, the first term of the arithmetic sequence is 5.