For What Value of the Constant C Is the Function $(-\infty, \infty) ?$

question 81

Multiple Choice

For what value of the constant c is the function f continuous on $(-\infty, \infty) ?$ $f(x) =\left\{\begin{array}{lll}c x+7 & \text { for } & x \leq 2 \\c x^{2}-5 & \text { for } & x>2\end{array}\right.$

• A) \(c=-6\)
• B) \(c=1\)
• C) \(c=2\)
• D) \(c=6\)
• E) \(c=-2\)

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Definitions:

Red Blood Cells

The cells in the blood which carry oxygen from the lungs to the body's tissues and carbon dioxide back to the lungs.

Macrophages

Immune cells that engulf and digest cellular debris, foreign substances, microbes, and cancer cells in a process called phagocytosis.

Killer T Cells

A type of immune cell that attacks and destroys infected cells and cancer cells.

Thrombocytes

Another term for platelets, which are blood cells involved in clot formation to prevent bleeding.