Use Identities to find the exact value.cos (-75°)
A. -
- 
B. 
C. 
- 
D. 
Answer: D
Mathematics
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Find an equation of the line tangent to the given curve at the point (a, f(a)). f(x) = e4x, a = 0
A. y = 4x + 4 B. y = 4e + 1 C. y = x + 1 D. y = 4x + 1
Mathematics
Provide an appropriate response.Graph the equations y = 4x - 1 and y = - 
x + 2 on the same set of axes. These are perpendicular lines. Define perpendicular. How might one determine that these lines were perpendicular by examining the equations, but without actually graphing them?
What will be an ideal response?
Mathematics
The expression “3:2” is called a(n) ___________ and the sentence “3:2 = x:y” is called a(n) _________________.
What will be an ideal response?
Mathematics
Multiply.(10 + x)2
A. x2 + 100 B. 100x2 + 20x + 100 C. x + 100 D. x2 + 20x + 100
Mathematics