Determine whether the function satisfies a Laplace equation.f(x, y) = cos x sin(-y)
A. Yes
B. No
Answer: B
Mathematics
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Find the slope and the y-intercept of the line.y - 4x + 3 = 0
A. slope: 4; y-intercept (0, -3)
B. slope: -3; y-intercept: 
C. slope: 4; y-intercept: (0, 3)
D. slope: 3; y-intercept: 
Mathematics
Find the inverse of the function.f(x) = 7x3 + 6
A. f-1(x) = 
B. f-1(x) = 
- 6
C. Not a one-to-one function
D. f-1(x) = 
Mathematics
(4, -8), (-4, 1)
A. y = -x - 
B. y = 
x - 
C. y = x - 
D. y = - 
x - 
Mathematics
Solve the problem.A tortoise traveled 0.38 miles in 2.5 hours. What was its speed? Round to nearest thousandth.
A. 0.95 mi/hr
B.
| 0.152 mi/hr |
C. 6.579 mi/hr
D. 0.252 mi/hr
Mathematics