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icang [17]
4 years ago
13

Can someone please help me ASAP.....

Mathematics
1 answer:
tester [92]4 years ago
5 0

We have to start with a number x, compute f(x), and then use this result as input for g(x)

When you give x as input to f, it returns -x^2-1:

x\mapsto f(x)-x^2-1

Now, g(x)=x+5 simply means that g will return its input plus five.

In this case, the input is f(x), so we have

g(f(x))=f(x)+5 = -x^2-1+5=-x^2+4

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Solve for a in terms of b and c:3a+4b=c
MariettaO [177]
We want a in terms of b and c:     <span>3a+4b=c

Isolate 3a on the left side:  3a = c - 4b
Divide all terms by 3:

                                             a = c/3 - 4b/3           (answer)</span>
8 0
3 years ago
Which sequence of transformations produces R’S’T’ from RST?
inn [45]

Answer:

A translation 2 units right and then a reflection over the x-axis

Step-by-step explanation:

The given vertices of ΔRST are R(0, 0), S(-2, 3), and T(-3, 1)

The vertices of triangle ΔR'S'T' are (2, 0), (0, -3), (-1, -1)

The points are plotted with the aid of MS Excel, and by observation, we have that the image of ΔRST is located on the other side of the x-axis with each coordinate on ΔR'S'T' shifted 2 units to the right of ΔRST

A translation of ΔRST 2 units right gives;

(0 + 2, 0) = (2, 0), (-2 + 2, 3) = (0, 3), and (-3 + 2, 1) = (-1, 1), to give;

(2, 0), (0, 3), and (-1, 1)

A reflection of the point (x, y) across the x-axis gives (x, -y)

A reflection of the above points across the x-axis gives;

(2, 0) reflected about x-axis → (2, 0) reflected about x-axis → (0, -3), and (-1, 1)  reflected about x-axis → (-1, -1), which are the points of ΔR'S'T'

Therefore, the sequence of transformations that produces R'S'T' from RST are;

A translation 2 units right and then a reflection over the x-axis

6 0
3 years ago
A ball is kicked 4 feet above the ground with an initial vertical velocity of 55 feet per second. The function h(t)=-16t^2+55t+4
Shalnov [3]

Answer:

Time in seconds when the ball is 4 feet above the ground is:

t= 0.6 and 2.9.

6 0
4 years ago
Find ZABC<br> 00<br> A<br> 38⁰<br> 32⁰
almond37 [142]

Answer:

The answer will be 38° + 32° = 70°

<em>Please mark me as the brainliest</em>

6 0
2 years ago
(2x+ 2) +(3 - 5x) 4.) (3x3 - 4x4) +(2x + 5x4)​
HACTEHA [7]

Answer:

1. \boxed{   \bold{ \sf{ - 3x + 5}}}

2. \boxed{ \bold{ \sf{ {x}^{4}  + 3 {x}^{3}  + 2x}}}

Step-by-step explanation:

1. \sf{(2x + 2) + (3 - 5x)}

When there is a ( + ) in front of expression in parentheses , the expression remains the same.

⇒\sf{2x + 2 + 3 - 5x}

Collect like terms

⇒\sf{ - 3x + 2 + 3}

Add the numbers

⇒\sf{ - 3x + 5}

2. \sf{( {3x}^{3}  - 4 {x}^{4} ) + (2x + 5 {x}^{4}) }

When there is a ( + ) in front of expression in parantheses , the expression remains the same

⇒\sf{3 {x}^{3}  - 4 {x}^{4}  + 2x +  {5x}^{4} }

Collect like terms

⇒\sf{ {x}^{4}  + 3 {x}^{3}  + 2x}

Hope I helped!

Best regards!!

3 0
3 years ago
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