12 terms

Exponential Growth & Decay

Practice finding the percent growth or decay rate for these exponential functions. Be sure to state whether it is exponential growth or decay!
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6% growth
State the rate of growth or decay for:
y = 2500(1.06)ⁿ
200% growth
State the rate of growth or decay for:
y = 3ⁿ
30% decay
State the rate of growth or decay for:
y = 200(1 - 0.3)ⁿ
10% decay
State the rate of growth or decay for:
y = 0.9ⁿ
0.8% growth
State the rate of growth or decay for:
y = 12,340(1 + 0.008)ⁿ
50% growth
State the rate of growth or decay for:
y = 10(1.5)ⁿ
75% decay
State the rate of growth or decay for:
y = 1850(¼)ⁿ
65% decay
State the rate of growth or decay for:
y = 2(0.35)ⁿ
14% decay
State the rate of growth or decay for:
y = 43(1 - 0.14)ⁿ
60% growth
State the rate of growth or decay for:
y = 100(1.6)ⁿ
y = 500(1 - 0.20)^x
Write an exponential equation of the form:
y = A(1 +/- r)^x for this list of numbers:
500, 400, 320, 256, 204.8, 163.84,...
y = 80(1.1)^x
Write an exponential equation of the form:
y = ab^x for this list of numbers:
80, 88, 96.8, 106.48, ...