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Question
zq3: domain, range, and evaluate exponential function
ixl - domain and ra
my ixl learnin
★ z.2 evaluate exponential functions lwe
use the following function rule to find $f(1)$.
$f(x) = -8(4)^x + 9$
$f(1) = \square$
submit
Step1: Substitute $x=1$ into function
$f(1) = -8(4)^{1} + 9$
Step2: Simplify the exponential term
$f(1) = -8(4) + 9$
Step3: Calculate multiplication first
$f(1) = -32 + 9$
Step4: Compute final sum
$f(1) = -23$
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