Find each function value.

1. f (7) if (fx) = 5x

2. f (9) if f (x) = x+13

3. f (4) if f (x) = 3x - 1

Tori has a cell phone plan that charges $0.09 for each text message sent. Tori plans to spend no more than $40 per month on her texting bill. If c (t) = 0.

It took 4 hours to row a boat 10 miles against the current. The return trip with the same current took 3 hours. Find the speed of the current.

Jeandre said |3| equals |-3|. Is this correct?

Give the domain of the function f (x) = - 3x+21

How to convert 3 mins into hours?

ABC Bookstore rents a storage space that is 75 ft x 50 ft and 15 ft high. It is charged $2.50 per square foot. How much does ABC Bookstore spend on storage space? O A. $140,625 O B. $9375 O C. $2500 O D. $3750

31/9 as a mixed number

Find 4x when 3x equals 3

Solve 64x3 - 1 = 0.

35x-3+2+146x=180 find value of x