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3 years ago

Given that f(x) = 3x + 5, find f(x+2)

Mathematics

2 answers:

julsineya [31]3 years ago

8 0

Answer:

f(x)=3(x)+5

f(x+2)=3(x+2)+5

=3x+6+5

=3x+11

Andre45 [30]3 years ago

5 0

F(x+2) = 3(x+2) + 5
= 3x + 6 + 5
= 3x + 11

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3 years ago

Use the quadratic formula to solve for x. 4x2 +9x-1=0

insens350 [35]

Answer:

$x=\frac{-9\pm\sqrt{65} }{8}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Standard Form: ax² + bx + c = 0
Quadratic Formula: $x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}$

Step-by-step explanation:

Step 1: Define

4x² + 9x - 1 = 0

Step 2: Define variables

a = 4

b = 9

c = -1

Step 3: Find roots

Substitute: $x=\frac{-9\pm\sqrt{9^2-4(4)(-1)} }{2(4)}$
Exponents: $x=\frac{-9\pm\sqrt{81-4(4)(-1)} }{2(4)}$
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3 years ago

What does the trigonometry angle range -<img src="https://tex.z-dn.net/?f=%5Cpi%20%5Cleq%20%5Calpha%20%5Cleq%20%5Cpi" id="TexFor

jasenka [17]

The trigonometry angle range -π ≤ α ≤ π in radians means angle α is

between -π radians and π radians or
-180° and 180°.

To answer the question, we need to know what a trigonometric angle range is

<h3>What is a trigonometric angle range?</h3>

A trigonometric angle range is the range of values which the trigonometric angle can have

Since we need to find the meaning of the trigonometry angle range -π ≤ α ≤π.

We know that

-π radians = -π × 180°/π = -180° and
π radians = π × 180°/π = 180°.

Since α is in the range -π ≤ α ≤ π = -180° ≤ α ≤ 180°, this implies that the angle α is

between -π radians and π radians or
between -180° and 180°.

So, the trigonometry angle range -π ≤ α ≤ π in radians means that angle α is

between -π radians and π radians or
between -180° and 180°.

Learn more about trigonometric angle range here:

brainly.com/question/27971632

#SPJ1

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2 years ago