Question

domain, range, and evaluate exponential function
ixl - domain and range of exponenti
my ixl learning asse
★ z.2 evaluate exponential functions lwe
use the following function rule to find $f(3)$.
$f(x) = 7.4^{x} - 11.96$
write your answer as a decimal or whole number.
$f(3) = $
submit
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done for now? try the
graph exponential functions

Explanation:

Step1: Substitute $x=3$ into function

$f(3) = 7.4^{3} - 11.96$

Step2: Calculate $7.4^3$

$7.4 \times 7.4 \times 7.4 = 402.084$

Step3: Subtract 11.96 from result

$f(3) = 402.084 - 11.96 = 390.12$

Answer:

390.12