Step-by-step explanation:
<h2>
<em>Inverse of f(x) , f−1(x)=logx , which is a logarithmic function.</em></h2>
<span>5x - y = 15 (1)
-10x+2y=-30 (2)
multiply (1) by 2
10x - 2y = 30
</span>-10x + 2y = -30 (2)
<span>---------------------------add
0 = 0
answer
</span><span>infinitely many solutions</span><span>
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