Question

11. Evalué la expresión dada.
Si f(x) = x2 - 4 halle:
a) F(-2)
c) f(x + 1)
b) f(1/2)
d) f(1/x)

Answer 1

Explicación paso a paso:

f(x) = x² - 4

Entonces:

f(-2) = (-2)² - 4 = 0

f(x+1) = (x+1)² - 4 = (x+3)(x-1)

f(1/2) = (1/2)² - 4 = -15/4

f(1/x) = (1/x)² - 4