Provide an appropriate response.Evaluate: 2x = 128
A. x = 8
B. x = 11.3137
C. x = 56
D. x = 7
Answer: D
Mathematics
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Find the focus and directrix of the parabola.y = 10x2
A. 
, x = - 
B. 
, x = - 
C. 
, y = 
D. 
, y = - 
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Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.3431/3
A. - 
B. -7
C. 
D. 7
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Use the properties of angle measures to find the measure of each marked angle.
a = (11x + 6)°, b = (2x + 148)°
A. 28°, 152° B. 11°, 169° C. 11°, 79° D. 28°, 148°
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Use NDER on a calculator to find the numerical derivative of the function at the specified point.f(x) = x sin(6x) at x = 8
A. -31.4950 B. 6145.9305 C. -6145.9305 D. -30.7229
Mathematics