Mathematics
Linear growth and decay
Practice questions
If (f(x)=10x+35), when will (f(4x)-f(x)) be (150)?If (g(x)=300-15x), when will (g(x)-g(5x)) be (180)?If (P(t)=75+6t), (P(6)+P(18)) is equal to twice which (P(k))?If (Q(t)=320-8t), (Q(5)+Q(17)) is equal to twice which (Q(k))?Which of the following relations represents linear decay at a constant rate, where y decreases by the same amount for every one-unit increase in x?If in (y=360-bx), (y) decreases by (136) from (x=7) to (x=15), what is (b)?If (A(t)=50+7t) and (B(t)=92+4t), at what (t) will (A(t)) be (6) more than (B(t))?If (C(t)=310-12t) and (D(t)=70+6t), at what (t) will (C(t)) be (6) less than (D(t))?If (f(t)=a+8t) and the sum of (f(2), f(6), f(10)) is (252), what is (a)?If (g(t)=b-7t) and the sum of (g(4), g(8), g(12)) is (258), what is (b)?Which of the following polynomials represents the linear decay of a quantity over time?Which of the following graphs represents linear decay of a quantity with time?When will the two models (A(t)=64+9t) and (B(t)=184-6t) be equal?If (P(t)=75+8t) and (Q(t)=219-10t), at which (t) will (P(t)=Q(t))?If (f(x)=a+15x) and (f(4)=112), what will (f(11)) be?If (g(x)=b-13x) and (g(5)=116), what will (g(12)) be?Which of the following equations represents linear decay of a quantity?A quantity has an initial value of 240 and decreases uniformly by 12 units per unit time. Which of the following represents this linear decay model?Which of the following linear polynomials shows that the quantity decreases at a constant rate as x increases?Which of the following expressions represents the linear decay of a quantity at a constant rate as x increases?