9514 1404 393
Answer:
f(x) = -1/2·10^x
Step-by-step explanation:
The y-intercept is -1/2.
The common ratio is (-1/20)/(-1/200) = 10, so the exponential function can be written as ...
f(x) = -1/2·10^x
The x intercepts must be 1 and -4, so C.
Answer:
3 because pretend the rest of the numbers are not there it is 3
8y - 2 = - 18
8y = - 16
y = - 2
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