Answer:
$19.09
Step-by-step explanation:
We just have to substitute t(minutes) for 173
0.08(173) + 5.25
13.84 + 5.25 = 19.09
His monthly bill would be $19.09
Nineteen dollars and 9 cents
Answer:
Step-by-step explanation:
We know the property of derivative: 
Given function : 
Differentiate both sides with respect to x , we get

[By Chain rule]

[Since
, where a is scalar and
]

Hence, the derivative of the given function is
.
Answer:
-4,-4
Step-by-step explanation:
Answer:
if x doubles y will be 2y &if x triples the value will be 3y
Answer:
y= -3/2-2
Step-by-step explanation: