3.5^1.6 round answer to nearest thousandth
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Start with
We observe that both fractions are not defined if . So, we will assume
.
We multiply both numerator and denominator of the first fraction by 3 and we sum the two fractions:
We multiply both sides by :
We move everything to one side and solve the quadratic equation:
We check the solution:
which is true
so, this is a quadratic equation, meaning two solutions, and we have a factored form of it, meaning you can get the solutions by simply zeroing out the f(x).
so the zeros/solutions are at x = 3 and x = -11, now, bearing in mind the vertex will be half-way between those two, checking the number line, that midpoint will be at x = -4, so the vertex is right there, well, what's f(x) when x = -4?
