What did they do wrong in this equation?
Look at the work for the following function. Wh...
Mathematics, 16.03.2020 16:59 paolaviviana
What did they do wrong in this equation?
Look at the work for the following function. What mistake did they make when using the quadratic formula to find the solutions? What are the real solutions to the function?
f(x)=x2β9x+20
Step 1: 9Β±β92β4(1)(20)β2(1)
Step 2: 9Β±β81β80β2
Step 3: 9Β±β161β2
Step 4: There are no real solutions.
Answers: 3
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Simplify this expression.2(10) + 2(x β 4) a. 2x + 16 b. x + 12 c. 2x + 12 d. x + 16
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Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?
Answers: 2
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