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Class 9 · Mathematics
→If (K(t)=120-5t), what is (K(t)-K(3t))?
Class 9 · Mathematics
→If (L(t)=3t+14), what is (L(4t)-L(t))?
Class 9 · Mathematics
→If (y=96-6x), which value of (x) makes (y) equal to (2x)?
Class 9 · Mathematics
→If (y=18+4x), which value of (x) makes (y) equal to (7x)?
Class 9 · Mathematics
→A machine's value is (V(y)=c-1800y). If (V(3)=24600), what will (V(8)) be?
Class 9 · Mathematics
→The price of an item is (P(n)=a+15n). If (P(4)=140), what is (P(9))?
Class 9 · Mathematics
→If (G(t)=150-rt) and (G(2)=G(9)+56), what is (r)?
Class 9 · Mathematics
→If (F(t)=32+rt) and (F(3)=F(8)-40), what is (r)?
Class 9 · Mathematics
→If (A(t)=140-6t) and (B(t)=44+2t), when will (A(t)) be (16) more than (B(t))?
Class 9 · Mathematics
→If (M(t)=42+4t) and (N(t)=96-5t), when will (M(t)) be (9) more than (N(t))?
Class 9 · Mathematics
→Which option makes (y) decrease by (9) per step and has (y(6)=58)?
Class 9 · Mathematics
→Which option makes (y) increase by (5) per step and has (y(4)=37)?
Class 9 · Mathematics
→In the model (R(t)=r-7t), (R(3)=112) and (R(s)=63). What is (s)?
Class 9 · Mathematics
→In the model (P(t)=p+8t), (P(4)=70) and (P(s)=118). What is (s)?
Class 9 · Mathematics
→If a quantity is modelled by \(P(t)=a-bt\), where \(b>0\), which property correctly identifies linear decay?
Class 9 · Mathematics
→Which of the following polynomials represents a quantity that decreases at a constant rate for every one-unit increase in x?
Class 9 · Mathematics
→If (D(t)=160-kt) and (D(4)-D(11)=63), what is (k)?
Class 9 · Mathematics
→If (C(t)=24+kt) and (C(7)-C(2)=45), what is (k)?
Class 9 · Mathematics
→Which of the following graphs represents the linear decay of a quantity?
Class 9 · Mathematics
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