y=ab^x
121= ab^2
133.1= ab^3
we divide the 2 equations
0.9 = b^-1
b = 1.1
121 = a (1.1)^2
121 = a × 1.21
a = 100
y=100 × ((1.1)^x) is the function
Jodys older brother is only three years less than twice jodys age. if the sum of their age is 30, then write an quation and solv
1 answer:
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