Given the function f (x) below, find x when f (x) = 5.8.
f (x) = 3.2x 2 − 23x + 10
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we know that f(x)= 5.8
put value of f(x) in eqn
f(x)= 3.2×2-23x+10
5.8= 6.4-23x+10
5.8= 16.4 -23x
5.8-16.4=-23x
-10.6= -23x
x= -10.6/-23
x= 0.46 (approx)
put value of f(x) in eqn
f(x)= 3.2×2-23x+10
5.8= 6.4-23x+10
5.8= 16.4 -23x
5.8-16.4=-23x
-10.6= -23x
x= -10.6/-23
x= 0.46 (approx)
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