Translate the sentence to an equation using the variable x. Then solve the equation.When 5 times a number is subtracted from 7 times the number, the result is 18.
A. 7x - 5x = 18; 9
B. 5x(7 - x) = 18; -9
C. 5x + 9x = 18; 2
D. 5(x - 7) = 18x; 2
Answer: A
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Graph the radical function. Compare the graph to that of the square root function or cube root function.H(x) = -3
A. It looks like the graph of the square root
function, but it is stretched by a factor of 3
and reflected over the x-axis.
B. It looks like the graph of the square root
function, but it is stretched by a factor of 3
and reflected over the x-axis.
C. It looks like the graph of the square root
function, but it is stretched by a factor of 3.
D. It looks like the graph of the cube root
function, but it is stretched by a factor of 3.
Find the potential function f for the field F.F = sec2 x sin2 yi + 2 tan x sin y cos yj + 9z8k
A. f(x, y, z) = sec x sin2 y + z9 + C B. f(x, y, z) = sec x sin2 y + z + C C. f(x, y, z) = -sec x sin2 y + z9 + C D. f(x, y, z) = tan x sin2 y + z9 + C
Evaluate.(-15)(-16)
A. -240 B. 240 C. 255 D. -255
Provide an appropriate response.Explain why the Trapezoidal Rule gives an exact value for the integral 
What will be an ideal response?