Use the graph of the function to estimate the x-intercepts.f(x) = 4x2 - 19x - 5
A. x = -5, x = 0.25
B. x = -0.25, x = 5
C. x = 4, x = -5
D. x = -1, x = 20
Answer: B
Mathematics
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B. f(x) = -
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C. f(x) = 
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D. f(x) = 
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Find the exact value of the expression.sin 20° cos 100° + cos 20° sin 100°
A. 
B. 
C. - 
D. - 
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Find the sum of the first 190 natural numbers. ?
A. 17,955 B. 17,954 C. 18,145 D. 18,050 E. 18,335
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