Add or subtract. Assume that variables represent nonnegative values.18
+ 13
A. 5
B. -4
C. -32
D. 31
Answer: D
Mathematics
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Find the work done by the force field F in moving a particle along the curve C.F = 6zi + 4xj + 7yk; C: x = t, y = t, z = t, 0 ? t ? 1
A. 17
B. 
C. 
D. 34
Mathematics
Multiply the rational expressions. 
? 
A. 
B. 
C. 
D. 
Mathematics
Use the product rule to simplify. Write the results using exponents.x4 ? x10
A. 2x40 B. x40 C. 2x14 D. x14
Mathematics
Graph the function on a grapher. Then use the grapher to find the x- and y-intercepts. Round to the nearest hundredth if necessary.f(x) = -10.3x2 + 8.45x + 6.34
A. No x-intercepts, (0, 6.34) B. (-0.48, 0), (1.30, 0), (0, 6.34) C. (-1.30, 0), (0.48, 0), (0, -6.34) D. (-0.48, 0), (0, 6.34)
Mathematics