Solve the given exponential equation. Round answer to three decimal places.2x - 3x - 3 = 0
A. {-0.899, 3.868}
B. {3.868}
C. {14.605}
D. {-0.899}
Answer: A
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Eliminate the parameter of the pair of parametric equations.x = sin t, y = 3 cos t
A. 9x2 + y2 = 9 B. x2 + 9y2 = 9 C. x2 + 9y2 = 1 D. 9x2 + y2 = 1
Give the coordinates of the points shown on the graph. 
A. E = (-7, -4), F = (5, -4) B. E = (-7, 5), F = (-4, -4) C. E = (5, -7), F = (-4, -4) D. E = (-4, -4) , F = (-7, 5)
Solve the problem.An electric company has the following rate schedule for electricity usage in single-family residences:Monthly service charge $4.93Per kilowatt service charge1st 300 kilowatts$0.11589/kWOver 300 kilowatts$0.13321/kWWhat is the charge for using 300 kilowatts in one month?What is the charge for using 375 kilowatts in one month?Construct a function that gives the monthly charge C for x kilowatts of electricity.
What will be an ideal response?
For the given functions f and g, find the requested function and state its domain. Write the domain in interval notation.f(x) = 9 - 7x; g(x) = -5x + 7;
Find f + g.
A. (f + g)(x) = -5x + 9; (-?, 
) ? (
, ?)
B. (f + g)(x) = 4x; (-?, ?)
C. (f + g)(x) = -2x + 16; (-?, 
? 
, ?)
D. (f + g)(x) = -12x + 16; (-?, ?)