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Linear Decay

Class 9 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsWhich of the following equations represents a linear model with a positive initial value in which y decreases as x increases?Class 9Introduction to PolynomialsLinear growth and decayLevel 38Hard MathematicsIf (g(x)=b-7x) and (g(6)=74), what will (g(13)) be?Class 9Introduction to PolynomialsLinear growth and decayLevel 38Hard MathematicsWhich of the following linear polynomial models shows that \(y\) decreases at a constant rate as \(x\) increases and that \(y\) is positive when \(x=0\)?Class 9Introduction to PolynomialsLinear growth and decayLevel 38Hard MathematicsWhich of the following models represents linear decay, where the quantity decreases by the same amount in each equal time interval?Class 9Introduction to PolynomialsLinear growth and decayLevel 38Hard MathematicsIf in (y=220-bx), (y) decreases by (96) from (x=4) to (x=12), what is (b)?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Hard MathematicsIf (Q(t)=160-5t), (Q(2)+Q(12)) is equal to twice which (Q(k))?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Hard MathematicsWhich of the following relations shows that y decreases by a constant amount whenever x increases by 1 unit?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Hard MathematicsWhich of the following relations represents linear decay at a constant rate?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Hard MathematicsIf (C(t)=170-4t) and (D(t)=110-9t), how does (C(t)-D(t)) change?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Hard MathematicsFor which (k) will (y=140-(k-5)x) show linear decay?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Hard MathematicsIf (Z(x)=b-7x) is linear decay and (Z(2)+Z(6)=128), what is (b)?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Hard MathematicsA machine's value is (V(y)=c-1800y). If (V(3)=24600), what will (V(8)) be?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Hard MathematicsIf (G(t)=150-rt) and (G(2)=G(9)+56), what is (r)?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Hard MathematicsWhich option makes (y) decrease by (9) per step and has (y(6)=58)?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Hard MathematicsIn the model (R(t)=r-7t), (R(3)=112) and (R(s)=63). What is (s)?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Hard MathematicsIf a quantity is modelled by \(P(t)=a-bt\), where \(b>0\), which property correctly identifies linear decay?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Hard MathematicsWhich of the following polynomials represents a quantity that decreases at a constant rate for every one-unit increase in x?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Hard MathematicsIf (D(t)=160-kt) and (D(4)-D(11)=63), what is (k)?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Hard MathematicsWhich of the following graphs represents the linear decay of a quantity?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Hard MathematicsWhich of the following polynomials represents a quantity that decreases at a constant rate as x increases?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Hard