The function f is defined as f(x) = 2x + 15
a is a positive integer.
f(a) = b
f(b) = a^2
Work out the value of a.

(d)

step-by-step explanation:

given: the line in the graph passes through points (5,30) and (6,26).

then, the equation of line is:

now, put y=a(n) and x=n,

hence, option d is correct.

given hc ∥ gd.¯¯¯¯¯¯which statement is true

step-by-step explanation:

∠cbe and ∠deb are same-side interior angles

central angle of a triangle has the same measure as its intercepted arc.

step-by-step explanation: