abdullahkassim35966 abdullahkassim35966

22-08-2022
Mathematics

contestada

if f(x)=3x+5 evaluate f(7) -f(5)

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

22-08-2022

Answer:

6

Step-by-step explanation:

f(x)=3x+5

f(7) means let x=7

f(7) = 3(7) +5 = 21+5 = 26

f(5) means let x = 5

f(5) = 3*5+5 = 15+5 = 20

f(7) - f(5) = 26 -20 = 6

Answer Link

TorqueEffect TorqueEffect

23-08-2022

Answer:

6

Step-by-step explanation:

Given that ,f(x)=3x+5

we have to find f(7) -f(5)

so,

f(7)=3(7)+5=21+5=26

again,

f(5)=3(5)+5=15+5=20

So,

f(7) -f(5)=26-20=6

Answer Link

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