Find fx(x, y).f(x, y) = 
- 
A. fx(x, y) = 
- 
B. fx(x, y) = - 
- 
C. fx(x, y) = 
+ 
D. fx(x, y) = 
+ 
Answer: D
Mathematics
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Use a sum or difference identity to find the exact value.
A. - 
B. -2
C. - 
D. - 
Mathematics
Evaluate the sum using the given information.x1 = -2, x2 = -4, x3 = 2, x4 = 0, and?x = 0.6; f(x) = x2 - 4
A. 19.2 B. 5.8 C. 4.8 D. 0.192
Mathematics
Convert to Fahrenheit. Use the formula F = 
C + 32 or F = 1.8C + 32. Round your answer to the nearest tenth if necessary.2100°C
A. 1187.0°F B. 3786.4°F C. 3812°F D. 3837.6°F
Mathematics
Find the requested value of the variable.y varies directly as z. If y = 120 when z = 12, find y when z = 14.
A. y = 100 B. y = 196 C. y = 144 D. y = 140
Mathematics