3 years ago

If f(x)=4x+5 what is the value of f(-3) A. -7 , B. 7 , C. 17 , D. -17

1 answer:

5 0

The answer is B or 7

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9966 [12]

Dilation:

The dilation factor is the length of image/preimage = 1.5

Thus
Q'R'/QR=1.5
Q'R'=1.5QR = 1.5 (5 cm) = 7.5 cm

(Edited)

8 0

3 years ago

icang [17]

15 x 2 = 30 (this is the area)
15 + 15 + 2 + 2 = 34 (this is the perimeter)
Therefore the dimensions must be 15 and 2.

3 0

3 years ago

Marrrta [24]

C.21

5^2-4=21

Explanation

3 0

3 years ago

Natali5045456 [20]

Step-by-step explanation:

Refer to attachment.

Hope it helps.

6 0

3 years ago

Aloiza [94]

Answer:

Pretty sure it is 18 girls

Step-by-step explanation:

81 girls: 72 boys

72 boys /16 boys = 4.5

81 girls / 4.5= 18 girls

so 18 girls:16 boys

pls mark me brainliest :)

4 0

3 years ago

If f(x)=4x+5 what is the value of f(-3) A. -7 , B. 7 , C. 17 , D. -17​