MARK AS BRAINLIST
Step-by-step explanation:
L = 6t+5
H = √t
A = L*H
= (6t+5) *√t = 6t√t + 5√t
A'(t) = 6t * 1/2*√t + √t * 6 + 5/2*√t
= 6t/2√t + 6√t + 5/2√t
Answer:
the cost of renting the pavilion for 8 hours = $130
$50 plus $10 per hour
so 8 hour = 10 * 8 = $80
$50 + $80 = $130
grax
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-144?
im not sure if that'll be the answer