For x = 4, then it means 3 to the fourth power or 3 times 3 times 3 times 3 times 3. 3^4 = 81 and 8 times that is 648.
y(x) = 8 * 3^x where x = 4:
y(x) = 8 * 3^4 = 8 * 81
y(x) = 648
The Function Rule then being that for every value of x there is one and only one value of y. y is the dependent variable and x is the independent variable.
300% if 5 is 15. 30% of 5 is 1.5 not 15. That is an error. Hope this helps!
Answer:
$597.50
Step-by-step explanation:
(9.60x35)+(5230x.05)
336+261.50
Y+5=m(x-3), or y=mx-3m-5, satisfies Equation 1. But Equation 1 and Equation 2 are satisfied when y-7=n(x+1).
(-1,7) is graphically represented by the intersection of 2 lines. So Equation 1 must pass through (-1,7) and (3,-5). The slope is (-5-7)/(3-(-1))=-12/4=-3=m, so y=-3x+4.
Equation 2 is y=x+8 when n=1 (arbitrary choice). Note that m is not equal to n.
A typical example of the required system is Eqn 1: y=-3x+4 and Eqn 2: y=x+8.
