The function $h$ is defined by $h(x) = a^x + b$, where $a$ and $b$ ar…

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The function h is defined by h(x) = a^x + b, where a and b are positive constants. The graph of y = h(x) in the xy-plane passes through the points (0, 13) and (1, 21). What is the value of ab?

The function

h

is defined by

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

, where

a

and

b

are positive constants. The graph of

y = h (x)

in the xy-plane passes through specific points (Data obscured). What is the value of

ab