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Chicago's average monthly rainfall, $R = f(t)$ inches, is given as a function of the month, $t$ , where January is $t = 1$ , in the table below.

t, month	1	2	3	4	5	6	7	8
R, inches	1.8	1.8	2.7	3.1	3.5	3.7	3.5	3.4

(a) Solve $f(t) = 3.4$ .
$t =$ help (numbers)

The solution(s) to $f(t) = 3.4$ can be interpreted as saying
A. Chicago's average rainfall is least in the month of August.
B. Chicago's average rainfall in the month of August is 3.4 inches.
C. Chicago's average rainfall increases by 3.4 inches in the month of May.
D. Chicago's average rainfall is greatest in the month of May.
E. None of the above

(b) Solve $f(t) = f(5)$ .
$t =$ help (numbers)

The solution(s) to $f(t) = f(5)$ can be interpreted as saying
A. Chicago's average rainfall is greatest in the month of May.
B. Chicago's average rainfall is 3.5 inches in the months of May and July.
C. Chicago's average rainfall is 3.5 inches in the month of May.
D. Chicago's average rainfall is 3.5 inches in the month of July.
E. None of the above