Solve the equation. Express radicals in simplest form.
w2 - 
w = -1
A. 
B. 
C. ?
D. 
Answer: A
Mathematics
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Solve the equation.(6.2)2 = (13.3)2 + (15.5)2 - 2(13.3)(15.5)cos ? for 0° < ? < 90°
A. 58.1 B. 25.3° C. 21.3° D. 23.3°
Mathematics
Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = 
7
A. y = u7; u = 4x2 - 
- x; 
= 7
6
B. y = 4u2 - 
- u; u = x7; 
= 8x14 - 
- x7
C. y = u7; u = 4x2 - 
- x; 
= 7
6
D. y = u7; u = 4x2 - 
- x; 
= 7
6
Mathematics
Determine whether or not the function is one-to-one.The function that pairs the temperature in degrees Fahrenheit of a cup of coffee with its temperature in degrees Celsius.
A. Yes B. No
Mathematics
Use the product rule to simplify the expression. Write the result using exponents.(-7)9(-7)6
A. -4954 B. (-7)15 C. 715 D. 4915
Mathematics