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Answer:
q = 15
Step-by-step explanation:
<u>→First, add 18q to both sides:</u>
-15 - 18q = -20q + 15
-15 = -2q + 15
<u>→Subtract 15 from both sides:</u>
-30 = -2q
<u>→Divide both sides by -2:</u>
15 = q
Answer:
soft sounds are better because the energy in the waves hitting your eardrum and if there is too much energy it could damage your ear.
Step-by-step explanation:
The function 
is an exponential with base greater than 1. So, its range is 
, with 0 being the horizontal asymptote as 
.
If you multiply the function by 
, the range remains the same.
If you reflect it over the x-axis, you're changing the sign of the function. So, the new range is
