C D 620
Use a graphing calculator to sketch the graph of the quadratic equation, and then state the domain and range.
y = -5x2 - 4x + 1
a. D: all real numbers
R $ 1.8)
R: all real numbers
b. D: all real numbers
d D: all real numbers
R: (218)
R (302)

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.