The function f(x) varies inversely with x and f(x) = 0.9 when x = 0.5 what is f(x) when x = 1.5 ?
2 answers:
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Answer:
a) and
Step-by-step explanation:
The idea for the solution of this equation is to find the value of c where both parts of the piecewise-defined function are the same. So we need to take the parts of the function and set them equal to each other, so we get:
and then solve for x. We move everything to one side of the equation so we get:
and we use the quadratic formula:
and we substitute:
and solve
so our two answers are:
a) and