Question

The graphs of the functions (f) and (g) are shown where..


`f(x) = 4.5 √(x)`

`g(x) = (1)/(9) {x}^(2)`


Select the TWO closest approximations for solutions to the equations f(x) - g(x) = 0
A.x=0
B.x=5.0
C.x=11.7
D.x=13.5
E.x=20.0
​

Answer 1

Explanation:

f(x) - g(x) = 0

f(x) = g(x)

4.5√x = ⅑ x²

4.5 × 9 = x√x

40.5 = x√x

square it on both side

1640.25= x².x

1640.25 =x³

x=11.7

Answer 2

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