Question

Please help

dcbvzdsghcvhzsdvghmsvcmhzsvcdhsgvc

Answer 1

A

Explanation:

The graph shows two function:

• function f(x) is increasing exponential function of the form
  `f(x)=a^x` passing through the point
  `(1,(9)/(2)).` So,
  `f(1)=(9)/(2)\Rightarrow a^1=a=(9)/(2)` and function f(x) has the expression
  `f(x)=((9)/(2))^x;`

• function g(x) is decreasing exponential function of the form
  `g(x)=b^x` passing through the point
  `(-1,(9)/(2)).` So,
  `g(-1)=(9)/(2)\Rightarrow b^(-1)=(1)/(b)=(9)/(2),` so
  `b=(2)/(9)` and function g(x) has the expression
  `g(x)=((2)/(9))^x.`

Hence, option A is true.