sparksmadison sparksmadison
  • 18-02-2018
  • Mathematics
contestada

Consider the functions f(x) = 3x2 and g(x) = −2x − 5. What is the value of f[g(−4)]? 1. 9
2. −31
3. 27
4. 3

Respuesta :

tellakhiozmxho tellakhiozmxho
  • 18-02-2018
The answer is 3. 27, because g(-4) is 3 and f(3) is 27.

Answer Link
JackelineCasarez JackelineCasarez
  • 28-02-2019

Answer:

The value of function f[g(−4)] is 27 .

Step-by-step explanation:

As two function given in the question

f(x) = 3x²

g(x) = −2x − 5

f[g(-4)] = f [-2 × -4 -5]

          = f [8 -5]

          = f [3]

          = 3 × 3²

( As 3² = 9 )

          = 3 × 9

          = 27

Therefore the value of function f[g(−4)] is 27 .

Answer Link

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