Question

If f(x) is the total cost, in dollars, of x candies, which of the following statements best describes the meaning of f(2) = 6?

The total cost of 2 candies is $6.00.

The total cost of 6 candies is $2.00.

The total cost of 2 candies is $3.00.

The total cost of 3 candies is $2.00.

Answer 1

think of f(x) as "y"

so f(x) = x^2 for example is simply y = x^2

Answer 2

Now in f(x) x is the quantity for which x = #

Answer 3

The first one?

Answer 4

so if we had: f(x) = 3x this meant that 3 multiplied by a number (x) equals y or f(x)

f(x) = 3x

if we had 2, then it would be x = 2

so:

f(2) = 3(2)
f(2) = 6

Answer 5

Thanks

Answer 6

yw (: