3 years ago

Are all integers natural numbers? Explain why?

2 answers:

6 0

Nope.

Natural numbers consist of 1, 2, 3, 4 and so on. Integers, on the other hand, include 0 and the opposites of natural numbers (negative values). Therefore not all integers are natural numbers. Some of them are though.

cupoosta [38]3 years ago

3 0

A natural number is not negative, so all integers are not natural numbers.

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Which statements are true about the graph of the function f(x) = 6x – 4 + x2?

kaheart [24]

Write the function as
f(x) = x² + 6x - 4

Note that
x² + 6x = (x + 3)² - 9

Therefore
f(x) = (x 3)² - 9 - 4
= (x + 3)² - 13

The vertex is at (-3, -13)., and the curve opens upward.
The axis of symmetry is x = -3.

Answer:
The vertex of the function is (-3, 13).
The graph increases over the interval (-3, -∞)