Question

domain, range, and evaluate exponential function
ixl - domain and range of exp
my ixl learning
z.2 evaluate exponential functions lwe
use the following function rule to find $f(2)$.
$f(x) = -5(5.6)^x - 7.42$
write your answer as a decimal or whole number.
$f(2) = $
submit
work it
not feeling ready yet?

Explanation:

Step1: Substitute x=2 into function

$f(2) = -5(5.6)^2 - 7.42$

Step2: Calculate the squared term

$(5.6)^2 = 31.36$

Step3: Multiply by -5

$-5 \times 31.36 = -156.8$

Step4: Subtract 7.42

$-156.8 - 7.42 = -170.22$

Answer:

-170.22