Question

The cost for an upcoming field trip is $30 per student. The cost of the field trip, in dollars, is a function of the number of students.

Select all the possible outputs (range) for the function defined by C(x)=30x
where x is the number of students going on the field trip.

(1 point)
Responses

50
50

20
20

100
100

30
30

90

Answer 1

30 and 90

Reason: C(x)=30x produces multiples of 30 (0, 30, 60, 90, ...). 30 and 90 are multiples of 30; 20, 50, and 100 are not.