G(x) = 2x2 and h(x) = .what is (g h)-1 and is it a function?
yes, each element in the do...
Mathematics, 08.11.2019 08:31 LemonCT
G(x) = 2x2 and h(x) = .what is (g h)-1 and is it a function?
yes, each element in the domain has only one range value.
yes, each element in the range has only one domain value.
no, each element in the domain does not have one range value.
no, we don’t know the original function and therefore can’t make the determination.
Answers: 1
Mathematics, 21.06.2019 21:50
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Given: ad¯¯¯¯¯ is an altitude. prove: ab2+ac2=cb2 right triangle a b c with right angle a. point d lies on side b c and segment a d is drawn. angle a d c is a right angle. drag and drop a reason into each box to correctly complete the two-column proof. statement reason ad¯¯¯¯¯ is an altitude, and ∠bac is a right angle. given ∠adb and ∠adc are right angles. definition of altitude ∠bac≅∠bda ? ∠bac≅∠adc ? ∠b≅∠b ? ∠c≅∠c reflexive property of congruence △abc∼△dba ? △abc∼△dac aa similarity postulate abbd=cbab ? ab2=(cb)(bd) cross multiply and simplify. acdc=cbac polygon similarity postulate ac2=(cb)(dc) cross multiply and simplify. ab2+ac2=ab2+(cb)(dc) addition property of equality ab2+ac2=(cb)(bd)+(cb)(dc) substitution property of equality ab2+ac2=(cb)(bd+dc) ? bd+dc=cb segment addition postulate ab2+ac2=cb2 substitution property of equality
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