f(a)=2a2-80 If f(2c)=100, what is the value of c? x∆y=4x-2y+3xy This describes a relation for any two real numbers, x+y. If (2a+1)∆4=50, find the value of a∆a? c∇d=4ac+2cd+8d-8 If 4∇5=240, find 2∇3. Sales (s) are a function of price (p). s(p)=2p-14c+1800. When price is $8.00, sales are $1800.00. What should price be in order for sales to reach[…]
What is one possible value of F ? 23>12f–20>76 When y=kx, k is a constant and when y=50, x=12. Find y when x is 5. If a=kb where k is a constant. When a=10, b=20. Find b when a=15. 8+12x is 18 more than 35. What is the value of 20x. For what value of n is[…]
36n+36n+36n=181 Find all values of n. x+y=80 and x–y=5. Find the value ofx+y. n people purchase a gift (g) for $l. m people purchase another gift (p) for $q. If n>m and l<q, find the difference in price between g and p. The total cost of a party is $185. If the cost is shared[…]
The final price of a computer is C dollars. This is after a 15% off coupon, 8% sales tax and 4% employee discount. Find an expression for I, the initial price, in terms of the final price. The quantity of pens supplied can be described as a function of price (p) such that s(p)=80+4p. The[…]
Frankie drives 80 miles in 3 hours and another 75 miles in 5 hours. What is the value of his average rate? The Eagleneck gym has 6 bikes that 9 athletes want to use. At 5pm they randomly select one athlete per bike. If Alan, Bob, Caryn, Darrel, Edgar, and Frank are 6 of the[…]
In a bag there are 6 blue marbles, 4 red marbles, 7 yellow marbles, and 3 white marbles. How many which should be added so p(white) becomes 34? Staples now sells their own notebooks. Making notebook has a fixed factory cost of$6,000 and a per unit cost of $0.58 per notebook. Staples sells these notebooks[…]
1. Line q passes through (s, s+4) and is perpendicular to line r. If line r follows , find the value of . 2. Line n intersects the y-axis at 5 and is a horizontal line with a slope of zero. Line n intersects at which point? 3. A right circular cylinder with volume is inscribed[…]
F(m)=2m²-10m. If F(66)=18b, find all values if b X∆y=3x-2y+xyz If 4∆5=100, find the value of 8∆10 m=3m³-8 If 4g-18, find the value of g Sales is a function of price such that: S(p)=4p²-80+c When the sales is $60,000 price is 10. Find the sales when the price is 20.