elijah9999 elijah9999

22-02-2021
Mathematics

contestada

The function f(x)=3x+K and f(4)=7. Find the value of K and f(2)

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greenforestaz greenforestaz

23-02-2021

Step-by-step explanation:

step 1. f(4) = 3(4) + K = 7 (plug in values)

step 2. K = -5 (subtract 12 from each side)

step 3. therefore f(x) = 3x - 5

step 4. f(2) = 3(2) - 5 = 1 (plug in x= 2)

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