Please help me with this ASAP

Step-by-step explanation:

f(x ) = 2, 4 , 8 , 16

     = 2, 2², 2³, 2⁴

     = 2 x 2⁰ , 2 x 2¹, 2 x 2², 2 x 2³

 x   =  0             1              2             3            

f( x) = 2 x 2⁰    2 x 2¹      2 x 2²     2 x 2³

Clearly , f(x) is of the form

Which is an exponential function.

   OR

f(x) = 2 , 4 , 6 , 8 is geometric sequence  with common ratio 2.

General term of the sequence = , where a is the first term = 2,  r is the common ratio 2.

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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