Find the domain of the function.y = 10 + 

A. (-?, -3)
B. (-3, ?)
C. all real numbers except 3
D. all real numbers except -3


Answer: D

Mathematics

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The gas mileage M that your car gets depends on its age t.

? A: Explain in practical terms the meaning of . B: As your care ages, gas mileage decreases.  Would  be positive or negative? C: Your mechanic tells you that if you use his super gasoline additive, your gas mileage will improve over time.  Assuming the additive works, would  be positive or negative once you start using the additive? What will be an ideal response?

Mathematics

Use a negative-angle identity to write an equivalent trigonometric expression involving a positive angle.sec 

A. csc 
B. sec 
C. -sec 
D. 1 - sec 

Mathematics

Compute the partial sum of the geometric series for the stated value of n. Round your answers to four decimal places.ak = 7(k-1); n= 11

A. S11 = 7.68454531 B. S11 = 3.40604531 C. S11 = 6.67454531 D. S11 = 4.66894531

Mathematics

Write each inequality in interval notation and graph the interval on a number line.0 ? x ? 4

A. (0, 4]

B. [0, 4]

C. (0, 4)

D. [0, 4)

Mathematics