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Marysya12 [62]
2 years ago
15

Let f(x) = x^2 − 5. Find f(-3)

Mathematics
2 answers:
Art [367]2 years ago
8 0

Answer:

f(-3) = 4

Step-by-step explanation:

f(x) = x² - 5

f(x) is a function with input x, meaning it is an expression which has terms involving x;

x is a variable and can be considered a space holder;

f(-3) is the function with input -3, this simply means replacing the space holder, i.e. x, with -3;

f(-3) = (-3)² - 5

f(-3) = 9 - 5

f(-3) = 4

Art [367]2 years ago
5 0

Answer:

f(-3)=4

Step-by-step explanation:

Substitute x=-3 into the function

f(-3)=(-3)^2-5

f(-3)=9-5

f(-3)=4

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Given rate is = 7% or 0.07

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3 years ago
Logan bought 30 balloons. 4/6 of the balloons are purple.<br> How many of the balloons are purple?
Georgia [21]

Answer:

20 are purple.

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6 0
3 years ago
It is estimated that the average amount owed for student loans in 2010 was $25,250 per student.  If the interest rate for studen
Nostrana [21]
Given:
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new interest rate: 6.8%
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6 0
3 years ago
GEOMETRY HELP PLEASE!!! FAST!!!
Lubov Fominskaja [6]

The <em><u>correct answer</u></em> is:

Rotation of 90° counterclockwise about the origin  and a translation 2 units right

Explanation:

A rotation 90° counterclockwise maps each point (x, y) to (-y, x).  This means our points would be:

A(-4,3)→(-3, 4); B(-1,3)→(-3, -1); C(-2,1)→(-1, -2)

A translation 2 units right will add 2 units to the new x-coordinates; this gives us

(-3, 4)→(-1, 4); (-3, -1)→(-1, -1); and (-1, -2)→(1, -2)

These are the points in the image, so this is the correct set of transformations.

7 0
3 years ago
The length of a rectangle is 2 in longer than its width. if the perimeter of the rectangle is 44 in , find its area.
valkas [14]
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L = W + 2

44 = 2(W + 2 + W)
44 = 2(2W + 2)
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L = W + 2
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A = L * W
L = 12
W = 10

A = 12 * 10
A = 120 square inches <===
7 0
3 years ago
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