Seudónimo Seudónimo
  • 22-08-2018
  • Mathematics
contestada

For f(x) = x2 + 8x + 7, evaluate f(x + 4) − f(x). Simplify.

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 22-08-2018

Substituting, we have

... f(x+4) = (x+4)² + 8(x+4) +7

... = x² +8x +16 +8x +32 +7

... = x² + 16x + 55

Subtracting the original, we have

... f(x+4) - f(x) = (x² +16x +55) -(x² +8x +7)

... f(x+4) - f(x) = 8x +48

Answer Link

Otras preguntas

Help ASAP - Find the area of the composite figure made up of a square and a semicircle. Use 3.14 as an approximation for and give your answer to the nearest squ
please hurry write a vector equation of a line that passes through p(-4,12) and is parallel to q=(14,-8)
what is the second term in the Expansion of (x+y)^5
What are the major characteristics of pre- and post-assessment of teachers' knowledge for the design-based research module as indicated in the readings and how
Need help trying to figure out
You are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passenge
Where is Earth's oldest known rock located? A. The Jack Hills region of Australia B. Yosemite National Park in the United States C. The floor of the Pacific Oce
Hannah, an engineer for an oil company, is interested in working overseas at this stage of her life because she knows that foreign work experience demonstrates
Help me with these 2 questions please
In the regular decagon shown, what is the measure of angle 1?