How do you find formula for the exponential function in the form of f(x)= Ca^x given f(0)=3 and f(1)=15?
3 Answers
Jul 22, 2018
Explanation:
We have:
So:
This gives:
Jul 22, 2018
Explanation:
"substitute "(0,3)" into the equation"substitute (0,3) into the equation
Ca^0=3rArrC=3Ca0=3⇒C=3
"substitute "(1,15)" into the equation"substitute (1,15) into the equation
3a^1=15rArra=15/3=53a1=15⇒a=153=5
f(x)=3(5)^xf(x)=3(5)x
Jul 22, 2018
Explanation:
Let,