sadisticrobot
sadisticrobot sadisticrobot
  • 04-01-2019
  • Mathematics
contestada

What is the value of k in the function ƒ(x) = 112 - kx if ƒ(-3) = 121?

Respuesta :

dhiab
dhiab dhiab
  • 04-01-2019

Answer:

hello :

put - 3 in f(x) you have : 112 - k(-3) = 121

solve 112 +3k =121

3k = 121 -112

3k = 9

k = 3

Step-by-step explanation:


Answer Link
wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 04-01-2019

Answer:

k =3

Step-by-step explanation:

f(x) = 112 -kx

Let x = -3

f(-3) =112 -k(-3)

We know that it equals 121

121 = 112 +3k

Subtract 112 from each side

121-112 =112 -112 +3k

9 = 3k

Divide each side by 3

9/3 = 3k/3

3 =k

Answer Link

Otras preguntas

Estimate 46/6,725, then find the quotient.
what evidence shows that sumerians where not prehistoric
Which is larger 7% or 0.7 why?
What is the most dense thing in the world
The following are four largest country's in the world Russia Canada China united states what country located in south america also ranks as one of the ten large
Which words in this sentence are common nouns? Aztec crops, such as corn and beans, were unknown in Europe. Choose all answers that are correct. A. Aztec B. c
How do I change 36 to 360
write the value of the dijit 5 in 657
The cost of living last year went up 7%. Fortunately, Alice Swanson got a 7% raise in her salary from last year. This year she's earning $42,805. How much did s
the blueprint for landscaping a yard has a scale of 1/2" to1 foot. if the blueprint is a rectangle 18 inches by 22 inches,what are the dimensions of the yard?