Solve for the requested variable.y varies directly as x and inversely as the square root of w, and y = 42 when 
and 
. Find y when 
and 
A. y = 16
B. y = 48
C. y = 32
D. y = 12
Answer: A
Mathematics
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Find the quadratic approximation of f at x = 0.f(x) = tan 7x
A. Q(x) = 1 + 7x2
B. Q(x) = 7x
C. Q(x) = 1 + 
x2
D. Q(x) = 1 - 
x2
Mathematics
Find f'(x).f(x) = 
A. f'(x) = 
B. f'(x) = 
C. f'(x) = 
D. f'(x) = 
Mathematics
Solve the equation by completing the square.a2 - 14a = -33
A. {30, 3}
B. {
, - 
}
C. {11, 3}
D. {-11, -3}
Mathematics
Subtract.-10.9 - 14.8
A. 25.7 B. 3.9 C. -25.7 D. -3.9
Mathematics