justin1093 justin1093
  • 08-09-2021
  • Mathematics
contestada

h(x) = x^2+6 g(x) = 8x-5

show that hg(x)=19 simplifies to 16x^2 - 20x + 3 = 0

Respuesta :

PHY107
PHY107 PHY107
  • 08-09-2021

Answer:

h(x)=x²+6 and g(x)=8x-5

prove that hg(x)=19

Step-by-step explanation:

step 1: hog(x)=h[g(x)]

step 2: h(8x-5)

step 3: h(8x-5)= (8x-5)²+6

step 4: (8x-5)(8x-5)+6

step 5: 16x² +15x +6

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