Provide an appropriate response.Give an example of a function f(x) that is continuous at all values of x except at
, where it has a removable discontinuity. Explain how you know that f is discontinuous at
and how you know the discontinuity is removable.
What will be an ideal response?
Let f(x) = be defined for all x ? 9. The function f is continuous for all
The function is not defined at
because division by zero is undefined; hence f is not continuous at
. This discontinuity is removable because
(We can extend the function to
by defining its value to be 1.)
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Solve the proportion. =
A. 0.13 B. 2 C. 20 D. 8.0
Write a numerical expression for the phrase and simplify it.The quotient of -12 and the sum of 3 and -5
A. ;
B. -12 + 3 + (-5); -14
C. ; -6
D. ; 6
Solve the system by graphing.
A. (14, -25) B. (9, 8) C. Infinitely many solutions D. Inconsistent
Find the x-intercept and the y-intercept of the graph of the equation. Do not graph the equation.-2x + 2y = 10
A. x-intercept = -5; y-intercept = 5 B. x-intercept = 5; y-intercept = -5 C. x-intercept = -8; y-intercept = -6 D. x-intercept = -8; y-intercept = 0