Suckless SAT Practice

SAT Practicee34a2287-9f25-422a-b964-03bc949e8c94

Practice one SAT question at a time

Questions come from the Bluebook question bank.

Function $f$ is defined by $f (x) = - a^{x} + b$ , where $a$ and $b$ are constants. In the xy-plane, the graph of $y = f (x) - 15$ has a y-intercept at $(0, - \frac{99}{7})$ . The product of $a$ and $b$ is $StartFraction 65 Over 7 EndFraction$ . What is the value of $a$ ?

Enter your answer

Use the exact value the question expects unless it says to round.