Graphs of Exponential Functions Practice Problems Online

Which of the following could be the graph of $y = - \frac{1}{a^x},$ if $a>1 ?$

Let $m$ and $n$ be the maximum and minimum values, respectively, of $y=5 ^{1-x},$ where $-1 \leq x \leq 1$ . What is the value of $m-n$ ?

The graph of $y = 5^{-x + 3} + 7^{-x - 1} + 6$ never goes below the line $y = k.$

What is the largest possible value of $k$ such that the statement above is true?

Let $m$ and $n$ be the maximum and minimum values, respectively, of $y=\left(\frac{1}{7}\right)^{-x^2+4x-5}$ in the interval $2 \leq x \leq 3$ . What is the value of $m+2n$ ?

Shown above is the graph of $y = f(x) ,$ which is the reflection of $y = 2^{2x+a} + b$ in the $y$ -axis. If the graph of $y = f(x)$ passes through $(-1, 10)$ and the equation of the graph's asymptote is $y=2$ , what is $a+b$ ?

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Graphs of Exponential Functions