Question

Graph the function y=3(5)x. What is the y-value if x=−6?

(-6, ___)

Answer 1

Assuming the function is y = 3·5^x:

y = 3·5^(−6) = 3 / 5^6 = 3 / 15625 = 0.000192

So the point is (-6, 3/15625) or (-6, 0.000192).