Use a calculator to find the function value to four decimal places.cos (-624°)
A. -0.1045
B. 0.4067
C. 0.9945
D. -0.5878
Answer: A
Mathematics
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Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = (6x - 5y)3
A. Domain: all points in the xy-plane; range: all real numbers; level curves: lines 
c ? 0
B. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: lines 
c ? 0
C. Domain: all points in the xy-plane; range: all real numbers; level curves: lines 
D. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: lines 
Mathematics
Provide an appropriate response.Solve the following equation: 
= 
Fill in the blank(s) with the appropriate word(s).
Mathematics
Simplify.-
A. -
B. 2
C. 3
D. -3
Mathematics
For the given vectors u and v, evaluate the expression.u = 
, v = 
Find 
A. 
B. 2
C. 7
D. 2
- 
Mathematics