7. A recording studio charges musicians an initial fee of $125 to record an album. Studio time costs an
additional $85 per hour.
Which function represents the total cost in dollars,
C(t), of recording an album as a function of studio
time in t hours?

C = 85t + 125

Step-by-step explanation:

C (cost) = 85 (the cost of each hour) times t (the time spent in hours) + 125 (the initial fee)

Hope this helps! :D

required rate of return = 0.166 = 16.6%

step-by-step explanation:

under the capital asset pricing model (capm), the required or expected rate of return for a particular security or asset is given using the formula:

required rate of return = risk-free rate + beta*(market risk premium)

we are given that;

risk-free rate = 4% = 0.04

beta = 1.4

market risk premium = 9% = 0.09

we simply plug these values into the above formula;

required rate of return = 0.04 + 1.4*(0.09)

required rate of return = 0.04 + 0.126

required rate of return = 0.166 = 16.6%