Name: Hard SAT Math Question 24 — Video Explanation
Uploaded: 2026-07-26
Description: Step-by-step video walkthrough of question 24 from the 100 hardest Digital SAT Math questions.

The function

g

is defined by

g (x) = a^{x} + b

, where

a

and

b

are constants. In the

x y

-plane, the graph of

g

crosses the

x

-axis at

(5, r - 22)

, and the

y

-axis at

(0, - 11 r)

, where

r

is a constant. What is the value of

a - b