weakmill9 weakmill9
  • 24-06-2016
  • Mathematics
contestada

The range of the function f(x) = x + 5 is {7, 9}. What is the function’s domain?
A.{2, 4}
B.{-2, -4}
C.{12, 14}
D.{-12, -14}
E.{0, 5}

Respuesta :

Mehek
Mehek Mehek
  • 24-06-2016
range = y values

domain = x values

Plug 7 for y

7 = x + 5

Solve for x

2 = x

Plug 9 for y

9 = x + 5

Solve for x

4 = x

Domain {2, 4}

Answer Link

Otras preguntas

What is the sum of 5(−3.4k−7) (3k 21) =
In the following lines from Beowulf, what literary technique has the poet used in the underlined words? To many it seemed the wolf-of-the-waves had won his lif
Find the y -intercept of the line whose equation is 2x - 3y = -6.
use a ratio to compare the values simplify the ratio 30 inch to 2 feet
Which sentence is written correctly? I wrote a letter (to the mayor) asking for increased funding for our schools. Earning a spot on the football team (which ha
carbon dioxide returned to the atmosphere primarily by the
What were two main causes of the bitter rivalry between the Ottoman and Safavid empires?
7.632 in Word from go math
Which term describes a President’s need to keep information private? A. executive privilege B. civil rights C. presidential view D. oath of office
How does pressure affect the solubility of a gas