Find the x-intercepts of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. f(x) = x3 + 11x2 + 39x + 45
A. -3, touches the x-axis and turns around;
-5, crosses the x-axis.
B. -3, crosses the x-axis;
-5, touches the x-axis and turns around
C. 3, crosses the x-axis;
-3, touches the x-axis and turns around;
-5, crosses the x-axis.
D. 3, crosses the x-axis;
-3, crosses the x-axis;
-5, crosses the x-axis.
Answer: A
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Differentiate the function.r(t) = (-8t2 - 11)i + 
j
A. r'(t) = (-16t)i - 
j
B. r'(t) = 
i + (-16t)j
C. r'(t) = (-16)i + 
j
D. r'(t) = (-16t)i + 
j
Provide an appropriate response.State whether f(x) = 12x2 - 24x + 10 has maximum or minimum value and find that value.
Fill in the blank(s) with the appropriate word(s).
Convert the units.409 g = 
mg
A. 40,900 mg B. 0.0409 mg C. 0.409 mg D. 409,000 mg
Find the coordinates of the y-intercept and the x-intercept, in that order.-2x - 2y = 6
A. (0, -3) (-3, 0) B. (-3, 4) (-1, 6) C. (-1, 0) (4, 0) D. (0, -1) (0, 4)