Find any x-intercepts.f(x) = 2x2 - 18x + 40
A. -5 and -4
B. -5 and 4
C. 5 and -4
D. 5 and 4
Answer: D
Mathematics
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Find the limit . Hint: If x = rcos? and y = rsin?, then (x,y) --> (0, 0) if and only if r -->
.
What will be an ideal response?
Mathematics
Solve. =
+
, for T2
A. T2 =
B. T2 =
C. T2 =
D. T2 =
Mathematics
Factor the polynomial completely using the grouping method.4x2 - 5x + 9
A. (4x - 9)(x - 1) B. (4x - 1)(x - 9) C. prime D. (2x - 9)(2x - 1)
Mathematics
Solve the equation by factoring.12x2 + 14x = 0
A. - , 0
B. - , 14
C. -
D. 0
Mathematics