F(x) = -x^2 + 5x + 15
Find f(9)...
Answers: 3
Mathematics, 21.06.2019 15:00
Use addition and subtraction to simplify the following polynomials. a. add polynomials: (3 â 4x + 8x^2) + (â6 + 2x â 5x^2) step 1: rewrite the polynomials without the parentheses. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial. b. subtract polynomials: (3x â 5 â 7x^2) â (â2 + 6x^2 â 5x) step 1: rewrite the polynomials without the parentheses. remember to multiply each term in the second parentheses by â1. show your work. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial.
Answers: 3
Mathematics, 21.06.2019 15:20
The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time
Answers: 1
Mathematics, 21.06.2019 16:40
The sum of two numbers is 86, and their difference is 20. find the two numbers
Answers: 2
Mathematics, 21.06.2019 18:30
The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.
Answers: 1
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