Easy for 5th or any grade so plsss help #easy⭐️

Mathematics

2 answers:

Lesechka [4]2 years ago

7 0

Answer:

It should be C

Step-by-step explanation:

2.85+2.85=5.7

5.7×7.7=43.89 m²

satela [25.4K]2 years ago

3 0

Answer:

The correct answer is C) 43.89

Step-by-step explanation:

2.85 + 2.85 = 5.7

5.7 x 7.7 = 43.89

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Write the equation of a piecewise function with a jump discontinuity at x =3. Then, determine which step of the 3-step test for

seraphim [82]

Answer:

Here's a possible example:

Step-by-step explanation:

$f(x) =\begin{cases} x & \quad x < 3\\x+3 & \quad x \geq 3\\\end{cases}$

Each piece is linear, so the pieces are continuous by themselves.

We need consider only the point at which the pieces meet (x = 3).

$\displaystyle \lim_{x \longrightarrow 3^{-}} f(x) = \lim_{x \longrightarrow 3^{-}} x = 3\\\\\displaystyle \lim_{x \longrightarrow 3^{+}} f(x) = \lim_{x \longrightarrow 3^{+}} x+3 = 6\\\\f(3) = x + 3 = 6\\\\\displaystyle \lim_{x \longrightarrow 3^{-}} f(x) \neq f(3)$