Perform the indicated operations in the proper order.1 - 3(-7)
A. -14
B. 20
C. -20
D. 22
Answer: D
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Solve the problem. Write all linear equations in slope-intercept form.By reading a graph on defense spending in the country of Warpeas, you discover that in year 0 the country spent $42 million on defense and in year 8 spent $378 million. Write a linear function that relates y (in millions of dollars) to x.
A. y = -42x - 42
B. y = 
x + 42
C. y = 
x + 42
D. y = 42x + 42
Find all the first order partial derivatives for the following function.f(x,y,z) = xe(x2 + y2 + z2)
A. 
= 2x2e(x2 + y2 + z2); 
= xye(x2 + y2 + z2); 
= 2xze(x2 + y2 + z2)
B. 
= (1 + 2x2) e(x2 + y2 + z2); 
= xe(x2 + y2 + z2); 
= xe(x2 + y2 + z2)
C. 
= (1 + 2x2) e(x2 + y2 + z2); 
= xy2e(x2 + y2 + z2); 
= xz2e(x2 + y2 + z2)
D. 
= (1 + 2x2) e(x2 + y2 + z2); 
= 2xye(x2 + y2 + z2); 
= 2xze(x2 + y2 + z2)
Write a percent for both the shaded and unshaded parts of the figure.
A. 12% shaded; 88% unshaded B. 0.12% shaded; 88% unshaded C. 10% shaded; 90% unshaded D. 0.12% shaded; 99.88% unshaded
Multiply and simplify.
? 
A. 1
B. 
C. -1
D. 0