PLEASE HELP ME I BEG YALLL IMA FAIL IF I DONT FINSIH THIS AND ILL MARK BRAINLISET

Mathematics

1 answer:

laila [671]2 years ago

3 0

D is wrong. It’s an exponential function so every year the number of stores it opens grows. Which means there can’t be one number for each year in terms of amount of new stores.

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PLEASE ANSWER CORRECTLY <3 I WILL GIVE BRAINLIEST THANKS IN ADVANCE!

Vikentia [17]

Answer:

1: 130

2: 70

Step-by-step explanation:

Supplementary angles add up to equal 180

So to find the measure of the missing angles, we subtract the measure of the known angles from 180

For #1

∠B = 180 - 50

180 - 50 = 130

Hence ∠B = 130

For#2

∠D = 180 - 110

180 - 110 = 70

Hence, ∠D = 70

8 0

3 years ago

Carlos has eight tickets. Carlos has 8 fewer tickets then Etta. How many tickets does Etta have?

aleksley [76]

Answer:

Step-by-step explanation:

5 0

3 years ago

Find the vertex of the graph of f(x) = x2 + 4x - 5.

Fofino [41]

You can solve this in two ways.

1. Graphical. Plot the graph for x between -5 and 1 (see attachement).
The vertex of the graph is the peak of the curve, which has the coordinates x=-2, y=-9.

2. Analytical. Calculate the derivative of the function f(x)
$\frac{df}{dx}=2x+4$
Solve the equation:
$2x+4=0$
will give the solution x=-2.
Replace x=-2 in the f(x) function and you'll get the value of y:
$(-2)^2+4 \cdot (-2)-5=4-8-5=-9$

You get the same answer: x=-2, y=-9

So the answer is
<span>B. (-2, -9)</span>