erinspradlin erinspradlin
  • 24-08-2019
  • Mathematics
contestada

Find the constants m and b in the linear function f(x) =mx+b so that f(7) =10 and f has the slope of -7

Respuesta :

jessicagardinier jessicagardinier
  • 24-08-2019

Answer:

Step-by-step explanation:

Sorry I am not sure and I don’t want to give you the wrong answer

Answer Link
jimrgrant1 jimrgrant1
  • 24-08-2019

Answer:

m = - 7 and b = 59

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + b ( m is the slope and b the y- intercept )

Here m = - 7, thus

f(x) = - 7x + b

To find b substitute (7, 10) into the equation, that is

10 = - 49 + b ⇒ b = 10 + 49 = 59

f(x) = - 7x + 59 ← equation of line

Answer Link

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