Which sequence can be defined by the recursive formula f (1) = 4, f (n + 1) = f (n) – 1.25 for n ≥ 1? 1, –0.25, –1.5, –2.75, –4, . . 1, 2.25, 3.5, 4.75, 6, . . 4, 2.75, 1.5, 0.25, –1, . . 4, 5.25, 6.5, 7.75, 8, . .

Step-by-step explanation:

f (1) = 4,

To get the sequence we start with n=1

Plug in n=1 in the formula

, replace f(1)=4

n=2

, replace f(2)=2.75

n=3

, replace f(3)=1.5

Sequence is

C.

4, 2.75, 1.5, 0.25, –1

Step-by-step explanation:

angles 1 and 3 are vertical angles, meaning that they are equal to each other. to solve this you may set angle 1 and 3 equal to each other and just solve for x like

110 = 2x + 10

100 = 2x

50 = x

check:

110 = 2* 50 + 10

110 = 100 + 10

110 = 110

hope this !

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phosphate, calcium ion, chloride ion, neon atom

step-by-step explanation: