Compare the graph of f(x) with the graph of y = x2.f(x) = -x2
A. Wider
B. Narrower
C. Reflected across the x-axis
D. Reflected across the y-axis
Answer: C
Mathematics
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Write a numerical expression for the phrase and simplify it.3 subtracted from the product of -9.8 and 8.1
A. [3 + (-9.8)](8.1); -55.08 B. (-9.8)(8.1) - 3; -82.38 C. 3 - (-9.8)(8.1); 82.38 D. (3)(-9.8)(8.1); -238.14
Mathematics
Find the vertex, focus, and directrix of the parabola. Graph the equation.(y - 2)2 = -4(x + 3)
A. vertex: (-3, 2)
focus: (-4, 2)
directrix: x = -2
B. vertex: (-3, 2)
focus: (-3, 1)
directrix: y = 3
C. vertex: (-2, 3)
focus: (-3, 3)
directrix: x = -1
D. vertex: (3, -2)
focus: (3, -3)
directrix: y = -1
Mathematics
Solve the equation.-2.1 = 14 - x
A. x = 11.9 B. x = 15.6 C. x = 16.1 D. x = 11.4
Mathematics
Use the quotient rule to simplify the expression.
A. 
B. 25
C. 
D. 5
Mathematics