Keith used the following steps to find the inverse of f, but he thinks he made a error f(x) = 7x + 5
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After applying the composition r0.90 ry to rs what are the coordinates of r' and s'? a.r'(–3, 1),  s'(–3, 5)b.r'(–1, 3),  s'(–5, 3)c.r'(1, 3),  s'(5, 3)d.r'(5, 3),  s'(1, 3)

Consider the graph of the exponential function y=3(2)×

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25