State the instructions of the function in words.f(z) = 
A. Multiply the independent variable by 4 and then subtract 4. Add 1 to the independent variable. Subtract the second result from the first.
B. Multiply the independent variable by 4 and then subtract 4. Add 1 to the independent variable. Divide the first result by the second result.
C. Multiply the independent variable by 4. Divide the result by the independent variable. Subtract 4 from this result and then add 1.
D. Subtract 4 from 4 and multiply the result by the independent variable. Add 1 to the independent variable. Divide the first result by the second result.
Answer: B
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Solve the given differential equation. (The form of yp is given.)D2y + 6Dy + 5y = 2 + ex (Let yp = A + Bex.)
A. y = c1e-5x + c2e-x - 
+ 
ex
B. y = c1e5x + c2ex + 
+ 
ex
C. y = c1e-5x + c2e-x + 
- 
ex
D. y = c1e-5x + c2e-x + 
+ 
ex
Assume that the cities lie on the same north-south line and that the radius of the earth is 6400 km. Find the latitude of Spokane, WA if Spokane and Jordan Valley, OR, 
are 
apart.
A. 52.46 °N B. 38.8 °N C. 39.5 °N D. 47.5 °N
Provide an appropriate response.
Find the area of the shaded region: 
A. 65.85 ft2 B. 58.88 ft2 C. 50.93 ft2 D. 57.90 ft2
Solve the problem.A painter can finish painting a house in 8 hours. Her assistant takes 10 hours to finish the same job. How long would it take for them to complete the job if they were working together?
A. 7 hours
B. 4
hours
C. 9 hours
D. 
hour